"treas" meaning in Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "mga",
        "3": "tres"
      },
      "expansion": "Middle Irish tres",
      "name": "der"
    },
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "tris"
      },
      "expansion": "Old Irish tris",
      "name": "der"
    },
    {
      "args": {
        "1": "gd",
        "2": "treas"
      },
      "expansion": "Scottish Gaelic treas",
      "name": "cog"
    },
    {
      "args": {
        "1": "gv",
        "2": "trass"
      },
      "expansion": "Manx trass",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Irish tres, from Old Irish tris. Cognate with Scottish Gaelic treas and Manx trass.",
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Irish ordinal numbers",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "a third",
          "translation": "a third",
          "word": "treaschuid"
        }
      ],
      "glosses": [
        "third"
      ],
      "id": "en-treas-ga-num-semTJFBb",
      "links": [
        [
          "third",
          "third"
        ]
      ],
      "raw_glosses": [
        "(dated) third"
      ],
      "synonyms": [
        {
          "word": "tríú"
        }
      ],
      "tags": [
        "dated",
        "indeclinable",
        "triggers-no-mutation"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʲɾʲasˠ/"
    }
  ],
  "word": "treas"
}

{
  "derived": [
    {
      "english": "a third",
      "translation": "a third",
      "word": "treaschuid"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "mga",
        "3": "tres"
      },
      "expansion": "Middle Irish tres",
      "name": "der"
    },
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "tris"
      },
      "expansion": "Old Irish tris",
      "name": "der"
    },
    {
      "args": {
        "1": "gd",
        "2": "treas"
      },
      "expansion": "Scottish Gaelic treas",
      "name": "cog"
    },
    {
      "args": {
        "1": "gv",
        "2": "trass"
      },
      "expansion": "Manx trass",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Irish tres, from Old Irish tris. Cognate with Scottish Gaelic treas and Manx trass.",
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Irish dated terms",
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish numerals",
        "Irish ordinal numbers",
        "Irish terms derived from Middle Irish",
        "Irish terms derived from Old Irish",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "third"
      ],
      "links": [
        [
          "third",
          "third"
        ]
      ],
      "raw_glosses": [
        "(dated) third"
      ],
      "tags": [
        "dated",
        "indeclinable",
        "triggers-no-mutation"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tʲɾʲasˠ/"
    }
  ],
  "synonyms": [
    {
      "word": "tríú"
    }
  ],
  "word": "treas"
}