"-a" meaning in Old Tupi

{
  "etymology_templates": [
    {
      "args": {
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        "2": ":inh",
        "3": "tup-gua-pro:*-aβ<id:instrumentalizer suffix><unc:1>",
        "id": "nominalizer suffix",
        "pos": "suffix"
      },
      "expansion": "[Appendix:Glossary#inherited|Inherited]] from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Tupi-Guarani\", \"term\" : \"*-aβ\", \"lang\" : \"tup-gua-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old Tupi\", \"term\" : \"-a\", \"lang\" : \"tpw\" }\" data-id=\"nominalizer suffix\" data-lang=\"tpw\" data-title=\"-a\" id=\"Old_Tupi:_nominalizer_suffix\">",
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    },
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    },
    {
      "args": {
        "1": "tpw",
        "2": "-sab",
        "nocap": "1"
      },
      "expansion": "doublet of -sab",
      "name": "doublet"
    },
    {
      "args": {
        "1": "gub,kay,gun,taf",
        "2": "-a"
      },
      "expansion": "Guajajára, Kamayurá, Mbya Guarani, and Tapirapé -a",
      "name": "cog"
    }
  ],
  "etymology_text": "Possibly from Proto-Tupi-Guarani *-aβ, making it a doublet of -sab.\nCognate with Guajajára, Kamayurá, Mbya Guarani, and Tapirapé -a.",
  "head_templates": [
    {
      "args": {
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        "2": "suffix",
        "cat2": "noun-forming suffixes"
      },
      "expansion": "-a",
      "name": "head"
    }
  ],
  "lang": "Old Tupi",
  "lang_code": "tpw",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "porang (“beautiful”, adjective) + -a → poranga (“beauty”, noun)",
          "type": "example"
        },
        {
          "text": "nhe'eng (“to speak”, verb) + -a → nhe'enga (“language”, noun)",
          "type": "example"
        }
      ],
      "glosses": [
        "forms nouns from a word's stem"
      ],
      "id": "en--a-tpw-suffix-JaZS1ZdY",
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Old Tupi entries with etymon",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Old Tupi entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "mim (“to hide”) + -a → mima (“hiding”)",
          "type": "example"
        }
      ],
      "glosses": [
        "forms the gerund of verbs ending in a consonant"
      ],
      "id": "en--a-tpw-suffix-ziAXavXs",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a/",
      "tags": [
        "unstressed"
      ]
    }
  ],
  "word": "-a"
}

{
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    "Old Tupi entries with etymon",
    "Old Tupi entries with incorrect language header",
    "Old Tupi lemmas",
    "Old Tupi noun-forming suffixes",
    "Old Tupi suffixes",
    "Old Tupi terms derived from Proto-Tupi-Guarani",
    "Old Tupi terms derived from Proto-Tupian",
    "Old Tupi terms inherited from Proto-Tupi-Guarani",
    "Old Tupi terms inherited from Proto-Tupian",
    "Old Tupi terms with unknown etymologies",
    "Pages using catfix",
    "Pages with 70 entries",
    "Pages with entries",
    "Pages with etymon"
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    },
    {
      "args": {
        "1": "gub,kay,gun,taf",
        "2": "-a"
      },
      "expansion": "Guajajára, Kamayurá, Mbya Guarani, and Tapirapé -a",
      "name": "cog"
    }
  ],
  "etymology_text": "Possibly from Proto-Tupi-Guarani *-aβ, making it a doublet of -sab.\nCognate with Guajajára, Kamayurá, Mbya Guarani, and Tapirapé -a.",
  "head_templates": [
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  ],
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  "lang_code": "tpw",
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    {
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        {
          "text": "porang (“beautiful”, adjective) + -a → poranga (“beauty”, noun)",
          "type": "example"
        },
        {
          "text": "nhe'eng (“to speak”, verb) + -a → nhe'enga (“language”, noun)",
          "type": "example"
        }
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        "forms nouns from a word's stem"
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        }
      ],
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        "forms the gerund of verbs ending in a consonant"
      ],
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        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a/",
      "tags": [
        "unstressed"
      ]
    }
  ],
  "word": "-a"
}