"feirg" meaning in Irish

{
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "feirg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "fheirg",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "bhfeirg",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "noun form"
      },
      "expansion": "feirg",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "fearg"
        }
      ],
      "glosses": [
        "dative singular of fearg"
      ],
      "id": "en-feirg-ga-noun-YJb9hzfk",
      "links": [
        [
          "fearg",
          "fearg#Irish"
        ]
      ],
      "raw_glosses": [
        "(archaic, dialectal) dative singular of fearg"
      ],
      "tags": [
        "archaic",
        "dative",
        "dialectal",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfʲɛɾʲɪɟ/"
    }
  ],
  "word": "feirg"
}

{
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "feirg",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "fheirg",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "bhfeirg",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "noun form"
      },
      "expansion": "feirg",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Irish dialectal terms",
        "Irish entries with incorrect language header",
        "Irish non-lemma forms",
        "Irish noun forms",
        "Irish terms with archaic senses",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "fearg"
        }
      ],
      "glosses": [
        "dative singular of fearg"
      ],
      "links": [
        [
          "fearg",
          "fearg#Irish"
        ]
      ],
      "raw_glosses": [
        "(archaic, dialectal) dative singular of fearg"
      ],
      "tags": [
        "archaic",
        "dative",
        "dialectal",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfʲɛɾʲɪɟ/"
    }
  ],
  "word": "feirg"
}