"ceathair" meaning in Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "cethair"
      },
      "expansion": "Old Irish cethair",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "cel-pro",
        "3": "*kʷetwores"
      },
      "expansion": "Proto-Celtic *kʷetwores",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*kʷetwóres"
      },
      "expansion": "Proto-Indo-European *kʷetwóres",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish cethair, from Proto-Celtic *kʷetwores, from earlier Proto-Indo-European *kʷetwóres.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ceathair",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "cheathair",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "gceathair",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "numeral",
        "cat2": "cardinal numbers"
      },
      "expansion": "ceathair",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Irish cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "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"
        },
        {
          "kind": "topical",
          "langcode": "ga",
          "name": "Four",
          "orig": "ga:Four",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "ordinal"
          ],
          "word": "ceathrú"
        }
      ],
      "glosses": [
        "four"
      ],
      "id": "en-ceathair-ga-num-BO-vCA9a",
      "links": [
        [
          "four",
          "four#English"
        ]
      ],
      "related": [
        {
          "english": "used to modify personal nouns",
          "word": "ceathrar"
        },
        {
          "english": "used to modify non-personal nouns",
          "word": "ceithre"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈcahəɾʲ/"
    },
    {
      "ipa": "/ˈcæɾʲ/",
      "tags": [
        "Cois-Fharraige"
      ]
    }
  ],
  "word": "ceathair"
}

{
  "derived": [
    {
      "tags": [
        "ordinal"
      ],
      "word": "ceathrú"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "cethair"
      },
      "expansion": "Old Irish cethair",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "cel-pro",
        "3": "*kʷetwores"
      },
      "expansion": "Proto-Celtic *kʷetwores",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*kʷetwóres"
      },
      "expansion": "Proto-Indo-European *kʷetwóres",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish cethair, from Proto-Celtic *kʷetwores, from earlier Proto-Indo-European *kʷetwóres.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ceathair",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "cheathair",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "gceathair",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "numeral",
        "cat2": "cardinal numbers"
      },
      "expansion": "ceathair",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "num",
  "related": [
    {
      "english": "used to modify personal nouns",
      "word": "ceathrar"
    },
    {
      "english": "used to modify non-personal nouns",
      "word": "ceithre"
    }
  ],
  "senses": [
    {
      "categories": [
        "Irish cardinal numbers",
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish numerals",
        "Irish terms derived from Old Irish",
        "Irish terms derived from Proto-Celtic",
        "Irish terms derived from Proto-Indo-European",
        "Irish terms inherited from Old Irish",
        "Irish terms inherited from Proto-Celtic",
        "Irish terms inherited from Proto-Indo-European",
        "Pages with 1 entry",
        "Pages with entries",
        "ga:Four"
      ],
      "glosses": [
        "four"
      ],
      "links": [
        [
          "four",
          "four#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈcahəɾʲ/"
    },
    {
      "ipa": "/ˈcæɾʲ/",
      "tags": [
        "Cois-Fharraige"
      ]
    }
  ],
  "word": "ceathair"
}