"un" meaning in Venetan

{
  "etymology_templates": [
    {
      "args": {
        "1": "vec",
        "2": "la",
        "3": "unus",
        "4": "ūnus"
      },
      "expansion": "Latin ūnus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ūnus.",
  "forms": [
    {
      "form": "na",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "articles",
        "3": "feminine",
        "4": "na",
        "g": "m"
      },
      "expansion": "un m (feminine na)",
      "name": "head"
    }
  ],
  "lang": "Venetan",
  "lang_code": "vec",
  "pos": "article",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Venetan articles",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Venetan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "masculine singular indefinite article; a, an"
      ],
      "id": "en-un-vec-article-z1UzwjVL",
      "links": [
        [
          "a",
          "a"
        ],
        [
          "an",
          "an"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "un"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vec",
        "2": "la",
        "3": "unus",
        "4": "ūnus"
      },
      "expansion": "Latin ūnus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ūnus.",
  "forms": [
    {
      "form": "on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "numeral"
      },
      "expansion": "un",
      "name": "head"
    }
  ],
  "lang": "Venetan",
  "lang_code": "vec",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Venetan cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "one"
      ],
      "id": "en-un-vec-num-dpLDrTVA",
      "related": [
        {
          "alt": "Belluno",
          "tags": [
            "before-vowel"
          ],
          "word": "elall'"
        },
        {
          "word": "i"
        },
        {
          "english": "rural",
          "word": "unon"
        },
        {
          "english": "mandatory before a, optional before other vowels",
          "word": "lal'"
        },
        {
          "alt": "Padua",
          "word": "le'e"
        },
        {
          "word": "na"
        }
      ]
    }
  ],
  "word": "un"
}

{
  "categories": [
    "Pages with 73 entries",
    "Pages with entries",
    "Venetan articles",
    "Venetan entries with incorrect language header",
    "Venetan lemmas",
    "Venetan numerals",
    "Venetan terms derived from Latin",
    "Venetan terms inherited from Latin"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vec",
        "2": "la",
        "3": "unus",
        "4": "ūnus"
      },
      "expansion": "Latin ūnus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ūnus.",
  "forms": [
    {
      "form": "na",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "articles",
        "3": "feminine",
        "4": "na",
        "g": "m"
      },
      "expansion": "un m (feminine na)",
      "name": "head"
    }
  ],
  "lang": "Venetan",
  "lang_code": "vec",
  "pos": "article",
  "senses": [
    {
      "glosses": [
        "masculine singular indefinite article; a, an"
      ],
      "links": [
        [
          "a",
          "a"
        ],
        [
          "an",
          "an"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "un"
}

{
  "categories": [
    "Pages with 73 entries",
    "Pages with entries",
    "Venetan articles",
    "Venetan entries with incorrect language header",
    "Venetan lemmas",
    "Venetan numerals",
    "Venetan terms derived from Latin",
    "Venetan terms inherited from Latin"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vec",
        "2": "la",
        "3": "unus",
        "4": "ūnus"
      },
      "expansion": "Latin ūnus",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ūnus.",
  "forms": [
    {
      "form": "on",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vec",
        "2": "numeral"
      },
      "expansion": "un",
      "name": "head"
    }
  ],
  "lang": "Venetan",
  "lang_code": "vec",
  "pos": "num",
  "related": [
    {
      "alt": "Belluno",
      "tags": [
        "before-vowel"
      ],
      "word": "elall'"
    },
    {
      "word": "i"
    },
    {
      "english": "rural",
      "word": "unon"
    },
    {
      "english": "mandatory before a, optional before other vowels",
      "word": "lal'"
    },
    {
      "alt": "Padua",
      "word": "le'e"
    },
    {
      "word": "na"
    }
  ],
  "senses": [
    {
      "categories": [
        "Venetan cardinal numbers"
      ],
      "glosses": [
        "one"
      ]
    }
  ],
  "word": "un"
}