"aller-" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "dum",
        "3": "aller-"
      },
      "expansion": "Middle Dutch aller-",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "alder-"
      },
      "expansion": "English alder-",
      "name": "cog"
    },
    {
      "args": {
        "1": "de",
        "2": "aller-"
      },
      "expansion": "German aller-",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "allra"
      },
      "expansion": "Old Norse allra",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Dutch aller-, alder-, the genitive plural of alle (“all”). The prefix thus literally translates to \"of all\", yielding adjectives such as allerergst (from ergst (“worst”)) which literally translates to \"the worst of all\". Words formed this way are thus originally univerbations, although they may not be recognized as such anymore in contemporary speech (and constructions such as het allerleukst can only exist in this form, and not in the uncombined form *het aller leukst, which is ungrammatical).\nCompare English alder-, German aller-, Old Norse allra.",
  "forms": [
    {
      "form": "alder-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prefix"
      },
      "expansion": "aller-",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
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      "examples": [
        {
          "bold_english_offsets": [
            [
              13,
              19
            ]
          ],
          "bold_text_offsets": [
            [
              5,
              10
            ]
          ],
          "english": "The greatest of all his sorrows was that his son did not want to take over the business.",
          "text": "Zijn allergrootste verdriet was dat zijn zoon de zaak niet wilde overnemen.",
          "type": "example"
        }
      ],
      "glosses": [
        "Intensifying prefix for superlatives: very; of them all"
      ],
      "id": "en-aller--nl-prefix-Z6Vp18X6",
      "links": [
        [
          "very",
          "very"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɑ.lər/"
    },
    {
      "audio": "Nl-aller-.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/Nl-aller-.ogg/Nl-aller-.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a4/Nl-aller-.ogg"
    }
  ],
  "word": "aller-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "dum",
        "3": "aller-"
      },
      "expansion": "Middle Dutch aller-",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "alder-"
      },
      "expansion": "English alder-",
      "name": "cog"
    },
    {
      "args": {
        "1": "de",
        "2": "aller-"
      },
      "expansion": "German aller-",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "allra"
      },
      "expansion": "Old Norse allra",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Dutch aller-, alder-, the genitive plural of alle (“all”). The prefix thus literally translates to \"of all\", yielding adjectives such as allerergst (from ergst (“worst”)) which literally translates to \"the worst of all\". Words formed this way are thus originally univerbations, although they may not be recognized as such anymore in contemporary speech (and constructions such as het allerleukst can only exist in this form, and not in the uncombined form *het aller leukst, which is ungrammatical).\nCompare English alder-, German aller-, Old Norse allra.",
  "forms": [
    {
      "form": "alder-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "nl",
        "2": "prefix"
      },
      "expansion": "aller-",
      "name": "head"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch prefixes",
        "Dutch terms derived from Middle Dutch",
        "Dutch terms inherited from Middle Dutch",
        "Dutch terms with usage examples",
        "Pages using catfix",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_english_offsets": [
            [
              13,
              19
            ]
          ],
          "bold_text_offsets": [
            [
              5,
              10
            ]
          ],
          "english": "The greatest of all his sorrows was that his son did not want to take over the business.",
          "text": "Zijn allergrootste verdriet was dat zijn zoon de zaak niet wilde overnemen.",
          "type": "example"
        }
      ],
      "glosses": [
        "Intensifying prefix for superlatives: very; of them all"
      ],
      "links": [
        [
          "very",
          "very"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɑ.lər/"
    },
    {
      "audio": "Nl-aller-.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/Nl-aller-.ogg/Nl-aller-.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a4/Nl-aller-.ogg"
    }
  ],
  "word": "aller-"
}