"doubler" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0 0 0 0 0 0 0",
      "word": "line doubler"
    },
    {
      "_dis1": "0 0 0 0 0 0 0 0",
      "word": "nanodoubler"
    },
    {
      "_dis1": "0 0 0 0 0 0 0 0",
      "word": "scan doubler"
    }
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "double<pos:verb>",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"alt\" : \"*dwiplos\", \"lang_name\" : \"Proto-Italic\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"id\" : \"double\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"two\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwi-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" }, { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwiplós\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duplos\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" }, { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"status\" : { \"1\" : \"ine-pro\", \"id\" : \"two\", \"pos\" : \"word\" }, \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duō\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duo\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"itc-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-plus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"is_group\" : true, \"keyword\" : \"afeq\", \"is_invisible\" : \"all\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duplus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old French\", \"term\" : \"doble\", \"status\" : \"ok\", \"lang\" : \"fro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"double\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"double\", \"status\" : \"ok\", \"lang\" : \"en\", \"pos\" : \"verb\" }, { \"id\" : \"agent noun\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"noun\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"agent noun\", \"children\" : [ { \"keyword_abbrev\" : \"nom.\", \"keyword_label\" : \"Nominalization of\", \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"suffix\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yós\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-āzios\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"nominalization\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Germanic\", \"term\" : \"*-ārijaz\", \"lang\" : \"gem-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-West Germanic\", \"term\" : \"*-ārī\", \"lang\" : \"gmw-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old English\", \"term\" : \"-ere\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-ere\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-er\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"doubler\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"doubler\">\nFrom double (verb) + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\nFrom double (verb) + -er.",
  "forms": [
    {
      "form": "doublers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "doubler (plural doublers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who doubles."
      ],
      "id": "en-doubler-en-noun-rb9ZnAPL",
      "links": [
        [
          "double",
          "double"
        ]
      ]
    },
    {
      "glosses": [
        "An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope."
      ],
      "id": "en-doubler-en-noun-rLHnYM6i",
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "augment",
          "augment"
        ],
        [
          "electricity",
          "electricity"
        ],
        [
          "spark",
          "spark"
        ],
        [
          "electroscope",
          "electroscope"
        ]
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              25,
              32
            ]
          ],
          "text": "The mechanics fastened a doubler over the hole where the cracked section of the plane's skin had been cut out.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              62,
              69
            ]
          ],
          "text": "The airworthiness directive called for riveting a reinforcing doubler to the wing midspar web to keep the spar from buckling under flight loads.",
          "type": "example"
        }
      ],
      "glosses": [
        "A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed."
      ],
      "id": "en-doubler-en-noun-wXt35q5l",
      "links": [
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ],
        [
          "rivet",
          "rivet"
        ],
        [
          "weld",
          "weld"
        ],
        [
          "reinforce",
          "reinforce"
        ],
        [
          "stress",
          "stress"
        ],
        [
          "patch",
          "patch"
        ]
      ],
      "qualifier": "structural engineering",
      "raw_glosses": [
        "(structural engineering) A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed."
      ]
    },
    {
      "glosses": [
        "Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled."
      ],
      "id": "en-doubler-en-noun-h0Eo4jHz",
      "links": [
        [
          "fraction",
          "fraction"
        ]
      ]
    },
    {
      "glosses": [
        "A blanket or felt placed between the fabric and the printing table or cylinder."
      ],
      "id": "en-doubler-en-noun-jThsmr-o",
      "qualifier": "calico printing",
      "raw_glosses": [
        "(calico printing) A blanket or felt placed between the fabric and the printing table or cylinder."
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Metalworking",
          "orig": "en:Metalworking",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "9 10 8 5 8 12 10 15 14 9",
          "kind": "other",
          "name": "English terms suffixed with -er (measurement)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A person employed in a roller mill to fold the hot metal plates in half."
      ],
      "id": "en-doubler-en-noun-Em~SA7US",
      "links": [
        [
          "metalworking",
          "metalworking"
        ],
        [
          "roller mill",
          "roller mill"
        ],
        [
          "hot",
          "hot"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ]
      ],
      "raw_glosses": [
        "(metalworking) A person employed in a roller mill to fold the hot metal plates in half."
      ],
      "topics": [
        "arts",
        "crafts",
        "engineering",
        "hobbies",
        "lifestyle",
        "metallurgy",
        "metalworking",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        {
          "_dis": "9 10 8 5 8 12 10 15 14 9",
          "kind": "other",
          "name": "English terms suffixed with -er (measurement)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter."
      ],
      "id": "en-doubler-en-noun-nLMLIkTc"
    },
    {
      "categories": [
        {
          "_dis": "9 6 6 6 5 12 12 25 16 3",
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 6 6 6 5 12 12 25 16 3",
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 5 7 5 5 11 13 26 18 3",
          "kind": "other",
          "name": "English entries with etymon",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 6 5 5 6 15 12 26 15 2",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 7 6 6 6 23 12 32",
          "kind": "other",
          "name": "English terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 10 8 5 8 12 10 15 14 9",
          "kind": "other",
          "name": "English terms suffixed with -er (measurement)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 6 6 5 5 11 14 27 16 2",
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 5 4 4 8 9 11 23 13 2 2 2 2 2 2 2",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 5 5 5 5 11 13 27 15 1 1 1 1 1 1 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 6 5 6 5 12 12 26 14 3",
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 6 6 5 5 11 14 27 16 2",
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "6 4 4 4 5 6 8 54 5 5",
          "kind": "other",
          "langcode": "en",
          "name": "Diapers",
          "orig": "en:Diapers",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A diaper insert."
      ],
      "id": "en-doubler-en-noun-XV5VLYSZ",
      "links": [
        [
          "diaper insert",
          "diaper insert"
        ]
      ],
      "synonyms": [
        {
          "word": "diaper doubler"
        }
      ]
    }
  ],
  "word": "doubler"
}

{
  "etymology_number": "2",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "double<pos:adjective>",
        "4": "-er<id:measurement>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"alt\" : \"*dwiplos\", \"lang_name\" : \"Proto-Italic\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"id\" : \"double\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"two\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwi-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" }, { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwiplós\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duplos\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" }, { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"status\" : { \"1\" : \"ine-pro\", \"id\" : \"two\", \"pos\" : \"word\" }, \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duō\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duo\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"itc-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-plus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"is_group\" : true, \"keyword\" : \"afeq\", \"is_invisible\" : \"all\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duplus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old French\", \"term\" : \"doble\", \"status\" : \"ok\", \"lang\" : \"fro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"double\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"double\", \"status\" : \"ok\", \"lang\" : \"en\", \"pos\" : \"adjective\" }, { \"id\" : \"measurement\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"noun\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"agent noun\", \"children\" : [ { \"keyword_abbrev\" : \"nom.\", \"keyword_label\" : \"Nominalization of\", \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"suffix\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yós\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-āzios\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"nominalization\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Germanic\", \"term\" : \"*-ārijaz\", \"lang\" : \"gem-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-West Germanic\", \"term\" : \"*-ārī\", \"lang\" : \"gmw-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old English\", \"term\" : \"-ere\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-ere\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-er\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"doubler\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"doubler\">\nFrom double (adjective) + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\nFrom double (adjective) + -er.",
  "forms": [
    {
      "form": "doublers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "doubler (plural doublers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "9 10 8 5 8 12 10 15 14 9",
          "kind": "other",
          "name": "English terms suffixed with -er (measurement)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A tenement house having two families on each floor."
      ],
      "id": "en-doubler-en-noun-gcZ63nIq",
      "links": [
        [
          "tenement",
          "tenement"
        ],
        [
          "house",
          "house"
        ]
      ],
      "raw_glosses": [
        "(US, dialect) A tenement house having two families on each floor."
      ],
      "tags": [
        "US",
        "dialectal"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A biplane aeroplane or kite."
      ],
      "id": "en-doubler-en-noun--ocX5IHT",
      "links": [
        [
          "biplane",
          "biplane"
        ],
        [
          "aeroplane",
          "aeroplane"
        ],
        [
          "kite",
          "kite"
        ]
      ],
      "raw_glosses": [
        "(colloquial) A biplane aeroplane or kite."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "doubler"
}

{
  "categories": [
    "English countable nouns",
    "English entries with etymology texts",
    "English entries with etymology trees",
    "English entries with etymon",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from the Proto-Indo-European word *dwóh₁",
    "English terms suffixed with -er (agent noun)",
    "English terms suffixed with -er (measurement)",
    "Pages using etymon with no ID",
    "Pages with 2 entries",
    "Pages with entries",
    "Pages with etymology trees",
    "Pages with etymon",
    "en:Diapers",
    "fr:Education"
  ],
  "derived": [
    {
      "word": "line doubler"
    },
    {
      "word": "nanodoubler"
    },
    {
      "word": "scan doubler"
    }
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "double<pos:verb>",
        "4": "-er<id:agent noun>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"alt\" : \"*dwiplos\", \"lang_name\" : \"Proto-Italic\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"id\" : \"double\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"two\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwi-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" }, { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwiplós\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duplos\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" }, { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"status\" : { \"1\" : \"ine-pro\", \"id\" : \"two\", \"pos\" : \"word\" }, \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duō\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duo\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"itc-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-plus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"is_group\" : true, \"keyword\" : \"afeq\", \"is_invisible\" : \"all\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duplus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old French\", \"term\" : \"doble\", \"status\" : \"ok\", \"lang\" : \"fro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"double\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"double\", \"status\" : \"ok\", \"lang\" : \"en\", \"pos\" : \"verb\" }, { \"id\" : \"agent noun\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"noun\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"agent noun\", \"children\" : [ { \"keyword_abbrev\" : \"nom.\", \"keyword_label\" : \"Nominalization of\", \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"suffix\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yós\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-āzios\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"nominalization\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Germanic\", \"term\" : \"*-ārijaz\", \"lang\" : \"gem-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-West Germanic\", \"term\" : \"*-ārī\", \"lang\" : \"gmw-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old English\", \"term\" : \"-ere\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-ere\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-er\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"doubler\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"doubler\">\nFrom double (verb) + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\nFrom double (verb) + -er.",
  "forms": [
    {
      "form": "doublers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "doubler (plural doublers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who doubles."
      ],
      "links": [
        [
          "double",
          "double"
        ]
      ]
    },
    {
      "glosses": [
        "An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope."
      ],
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "augment",
          "augment"
        ],
        [
          "electricity",
          "electricity"
        ],
        [
          "spark",
          "spark"
        ],
        [
          "electroscope",
          "electroscope"
        ]
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              25,
              32
            ]
          ],
          "text": "The mechanics fastened a doubler over the hole where the cracked section of the plane's skin had been cut out.",
          "type": "example"
        },
        {
          "bold_text_offsets": [
            [
              62,
              69
            ]
          ],
          "text": "The airworthiness directive called for riveting a reinforcing doubler to the wing midspar web to keep the spar from buckling under flight loads.",
          "type": "example"
        }
      ],
      "glosses": [
        "A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed."
      ],
      "links": [
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ],
        [
          "rivet",
          "rivet"
        ],
        [
          "weld",
          "weld"
        ],
        [
          "reinforce",
          "reinforce"
        ],
        [
          "stress",
          "stress"
        ],
        [
          "patch",
          "patch"
        ]
      ],
      "qualifier": "structural engineering",
      "raw_glosses": [
        "(structural engineering) A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed."
      ]
    },
    {
      "glosses": [
        "Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled."
      ],
      "links": [
        [
          "fraction",
          "fraction"
        ]
      ]
    },
    {
      "glosses": [
        "A blanket or felt placed between the fabric and the printing table or cylinder."
      ],
      "qualifier": "calico printing",
      "raw_glosses": [
        "(calico printing) A blanket or felt placed between the fabric and the printing table or cylinder."
      ]
    },
    {
      "categories": [
        "en:Metalworking"
      ],
      "glosses": [
        "A person employed in a roller mill to fold the hot metal plates in half."
      ],
      "links": [
        [
          "metalworking",
          "metalworking"
        ],
        [
          "roller mill",
          "roller mill"
        ],
        [
          "hot",
          "hot"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ]
      ],
      "raw_glosses": [
        "(metalworking) A person employed in a roller mill to fold the hot metal plates in half."
      ],
      "topics": [
        "arts",
        "crafts",
        "engineering",
        "hobbies",
        "lifestyle",
        "metallurgy",
        "metalworking",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "glosses": [
        "A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter."
      ]
    },
    {
      "glosses": [
        "A diaper insert."
      ],
      "links": [
        [
          "diaper insert",
          "diaper insert"
        ]
      ],
      "synonyms": [
        {
          "word": "diaper doubler"
        }
      ]
    }
  ],
  "word": "doubler"
}

{
  "categories": [
    "English countable nouns",
    "English entries with etymology texts",
    "English entries with etymology trees",
    "English entries with etymon",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from the Proto-Indo-European word *dwóh₁",
    "English terms suffixed with -er (measurement)",
    "Pages using etymon with no ID",
    "Pages with 2 entries",
    "Pages with entries",
    "Pages with etymology trees",
    "Pages with etymon",
    "en:Diapers",
    "fr:Education"
  ],
  "etymology_number": "2",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "double<pos:adjective>",
        "4": "-er<id:measurement>",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"alt\" : \"*dwiplos\", \"lang_name\" : \"Proto-Italic\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"id\" : \"double\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"two\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwi-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" }, { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwiplós\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duplos\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" }, { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"status\" : { \"1\" : \"ine-pro\", \"id\" : \"two\", \"pos\" : \"word\" }, \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dwóh₁\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*duō\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duo\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-plos\", \"status\" : \"missing\", \"lang\" : \"itc-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-plus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"is_group\" : true, \"keyword\" : \"afeq\", \"is_invisible\" : \"all\" } ], \"lang_name\" : \"Latin\", \"term\" : \"duplus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old French\", \"term\" : \"doble\", \"status\" : \"ok\", \"lang\" : \"fro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"double\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"double\", \"status\" : \"ok\", \"lang\" : \"en\", \"pos\" : \"adjective\" }, { \"id\" : \"measurement\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"agent suffix\", \"children\" : [ { \"terms\" : [ { \"id\" : \"noun\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"agent noun\", \"children\" : [ { \"keyword_abbrev\" : \"nom.\", \"keyword_label\" : \"Nominalization of\", \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"suffix\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yós\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-āzios\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"nominalization\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Germanic\", \"term\" : \"*-ārijaz\", \"lang\" : \"gem-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-West Germanic\", \"term\" : \"*-ārī\", \"lang\" : \"gmw-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old English\", \"term\" : \"-ere\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-ere\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-er\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"doubler\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"doubler\">\nFrom double (adjective) + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *dwóh₁\nProto-Indo-European *dwi-\nProto-Indo-European *-plos\nProto-Indo-European *dwiplós\nProto-Italic *dwiplos\nProto-Italic *duplos\nLatin duplus\nOld French dobleder.\nMiddle English double\nEnglish double\nProto-Indo-European *-yósder.\nProto-Italic *-āzios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\nEnglish -er\nEnglish doubler\nFrom double (adjective) + -er.",
  "forms": [
    {
      "form": "doublers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "doubler (plural doublers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English dialectal terms"
      ],
      "glosses": [
        "A tenement house having two families on each floor."
      ],
      "links": [
        [
          "tenement",
          "tenement"
        ],
        [
          "house",
          "house"
        ]
      ],
      "raw_glosses": [
        "(US, dialect) A tenement house having two families on each floor."
      ],
      "tags": [
        "US",
        "dialectal"
      ]
    },
    {
      "categories": [
        "English colloquialisms"
      ],
      "glosses": [
        "A biplane aeroplane or kite."
      ],
      "links": [
        [
          "biplane",
          "biplane"
        ],
        [
          "aeroplane",
          "aeroplane"
        ],
        [
          "kite",
          "kite"
        ]
      ],
      "raw_glosses": [
        "(colloquial) A biplane aeroplane or kite."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "doubler"
}