"gáethach" meaning in Old Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "gaothach"
          },
          "expansion": "Irish: gaothach",
          "name": "desc"
        }
      ],
      "text": "Irish: gaothach"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "gaothach"
          },
          "expansion": "Scottish Gaelic: gaothach",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: gaothach"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "gáeth",
        "3": "ach",
        "pos": "adjective"
      },
      "expansion": "gáeth + -ach",
      "name": "suffix"
    }
  ],
  "etymology_text": "gáeth + -ach",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "gáethach",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ngáethach",
      "source": "mutation"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "head": ""
      },
      "expansion": "gáethach",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "gáethach",
      "name": "sga-adj"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish adjectives suffixed with -ach",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "windy"
      ],
      "id": "en-gáethach-sga-adj-h0gMWkgZ",
      "links": [
        [
          "windy",
          "windy"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɡaːi̯θax/"
    }
  ],
  "word": "gáethach"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "gaothach"
          },
          "expansion": "Irish: gaothach",
          "name": "desc"
        }
      ],
      "text": "Irish: gaothach"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "gaothach"
          },
          "expansion": "Scottish Gaelic: gaothach",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: gaothach"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "gáeth",
        "3": "ach",
        "pos": "adjective"
      },
      "expansion": "gáeth + -ach",
      "name": "suffix"
    }
  ],
  "etymology_text": "gáeth + -ach",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "gáethach",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ngáethach",
      "source": "mutation"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "head": ""
      },
      "expansion": "gáethach",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "gáethach",
      "name": "sga-adj"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Old Irish adjectives",
        "Old Irish adjectives suffixed with -ach",
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "windy"
      ],
      "links": [
        [
          "windy",
          "windy"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɡaːi̯θax/"
    }
  ],
  "word": "gáethach"
}

{
  "called_from": "inflection/865",
  "msg": "inflection table: IF WITHOUT ELSE EVALS False: gáethach/Old Irish 'radical' base_tags=set()",
  "path": [
    "gáethach"
  ],
  "section": "Old Irish",
  "subsection": "adjective",
  "title": "gáethach",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'lenition'",
  "path": [
    "gáethach"
  ],
  "section": "Old Irish",
  "subsection": "adjective",
  "title": "gáethach",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'nasalization'",
  "path": [
    "gáethach"
  ],
  "section": "Old Irish",
  "subsection": "adjective",
  "title": "gáethach",
  "trace": ""
}

{
  "called_from": "inflection/1826",
  "msg": "inflection table: empty tags for ngáethach",
  "path": [
    "gáethach"
  ],
  "section": "Old Irish",
  "subsection": "adjective",
  "title": "gáethach",
  "trace": ""
}