"ceithir" meaning in Scottish Gaelic

{
  "etymology_templates": [
    {
      "args": {
        "1": "gd",
        "2": "sga",
        "3": "cethair"
      },
      "expansion": "Old Irish cethair",
      "name": "inh"
    },
    {
      "args": {
        "1": "gd",
        "2": "cel-pro",
        "3": "*kʷetwores"
      },
      "expansion": "Proto-Celtic *kʷetwores",
      "name": "inh"
    },
    {
      "args": {
        "1": "gd",
        "2": "ine-pro",
        "3": "*kʷetwóres"
      },
      "expansion": "Proto-Indo-European *kʷetwóres",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish cethair, from Proto-Celtic *kʷetwores, from Proto-Indo-European *kʷetwóres.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "gd-mut-cons",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ceithir",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "cheithir",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gd",
        "2": "numeral"
      },
      "expansion": "ceithir",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "c",
        "2": "eithir"
      },
      "name": "gd-mut-cons"
    }
  ],
  "lang": "Scottish Gaelic",
  "lang_code": "gd",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Scottish Gaelic cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Scottish Gaelic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "às na ceithir ranna ruadha"
        },
        {
          "word": "ceathramh"
        },
        {
          "word": "ceathrad"
        },
        {
          "word": "ceathrar"
        }
      ],
      "glosses": [
        "four"
      ],
      "id": "en-ceithir-gd-num-BO-vCA9a",
      "links": [
        [
          "four",
          "four"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʲehɪɾʲ/"
    },
    {
      "ipa": "[kʲehɪð]",
      "tags": [
        "Lewis"
      ]
    }
  ],
  "word": "ceithir"
}

{
  "derived": [
    {
      "word": "às na ceithir ranna ruadha"
    },
    {
      "word": "ceathramh"
    },
    {
      "word": "ceathrad"
    },
    {
      "word": "ceathrar"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "gd",
        "2": "sga",
        "3": "cethair"
      },
      "expansion": "Old Irish cethair",
      "name": "inh"
    },
    {
      "args": {
        "1": "gd",
        "2": "cel-pro",
        "3": "*kʷetwores"
      },
      "expansion": "Proto-Celtic *kʷetwores",
      "name": "inh"
    },
    {
      "args": {
        "1": "gd",
        "2": "ine-pro",
        "3": "*kʷetwóres"
      },
      "expansion": "Proto-Indo-European *kʷetwóres",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish cethair, from Proto-Celtic *kʷetwores, from Proto-Indo-European *kʷetwóres.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "gd-mut-cons",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "ceithir",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "cheithir",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gd",
        "2": "numeral"
      },
      "expansion": "ceithir",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "c",
        "2": "eithir"
      },
      "name": "gd-mut-cons"
    }
  ],
  "lang": "Scottish Gaelic",
  "lang_code": "gd",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Scottish Gaelic cardinal numbers",
        "Scottish Gaelic entries with incorrect language header",
        "Scottish Gaelic lemmas",
        "Scottish Gaelic numerals",
        "Scottish Gaelic terms derived from Old Irish",
        "Scottish Gaelic terms derived from Proto-Celtic",
        "Scottish Gaelic terms derived from Proto-Indo-European",
        "Scottish Gaelic terms inherited from Old Irish",
        "Scottish Gaelic terms inherited from Proto-Celtic",
        "Scottish Gaelic terms inherited from Proto-Indo-European"
      ],
      "glosses": [
        "four"
      ],
      "links": [
        [
          "four",
          "four"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʲehɪɾʲ/"
    },
    {
      "ipa": "[kʲehɪð]",
      "tags": [
        "Lewis"
      ]
    }
  ],
  "word": "ceithir"
}