"eos" meaning in Welsh

{
  "forms": [
    {
      "form": "eosiaid",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eosydd",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eosau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "eos",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "heos",
      "source": "mutation",
      "tags": [
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f",
        "pl": "eosiaid",
        "pl2": "eosydd",
        "pl3": "eosau"
      },
      "expansion": "eos f (plural eosiaid or eosydd or eosau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "cy",
          "name": "Muscicapids",
          "orig": "cy:Muscicapids",
          "parents": [
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "nightingale, Luscinia megarhynchos"
      ],
      "id": "en-eos-cy-noun-exAN~TPS",
      "links": [
        [
          "nightingale",
          "nightingale"
        ],
        [
          "Luscinia megarhynchos",
          "Luscinia megarhynchos#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "cy:eos"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eː.ɔs/"
    },
    {
      "rhymes": "-eːɔs"
    }
  ],
  "word": "eos"
}

{
  "forms": [
    {
      "form": "eosiaid",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eosydd",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "eosau",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "cy-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "eos",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "heos",
      "source": "mutation",
      "tags": [
        "prothesis-h"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "f",
        "pl": "eosiaid",
        "pl2": "eosydd",
        "pl3": "eosau"
      },
      "expansion": "eos f (plural eosiaid or eosydd or eosau)",
      "name": "cy-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "cy-mut"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 5 entries",
        "Pages with entries",
        "Rhymes:Welsh/eːɔs",
        "Rhymes:Welsh/eːɔs/2 syllables",
        "Welsh countable nouns",
        "Welsh entries with incorrect language header",
        "Welsh feminine nouns",
        "Welsh lemmas",
        "Welsh nouns",
        "Welsh nouns with red links in their headword lines",
        "cy:Muscicapids"
      ],
      "glosses": [
        "nightingale, Luscinia megarhynchos"
      ],
      "links": [
        [
          "nightingale",
          "nightingale"
        ],
        [
          "Luscinia megarhynchos",
          "Luscinia megarhynchos#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "cy:eos"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eː.ɔs/"
    },
    {
      "rhymes": "-eːɔs"
    }
  ],
  "word": "eos"
}

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

{
  "called_from": "inflection/865",
  "msg": "inflection table: IF WITHOUT ELSE EVALS False: eos/Welsh 'nasal' base_tags={'soft', 'error-unrecognized-form'}",
  "path": [
    "eos"
  ],
  "section": "Welsh",
  "subsection": "noun",
  "title": "eos",
  "trace": ""
}