"sea" meaning in Irish

{
  "antonyms": [
    {
      "word": "ní hea"
    },
    {
      "word": "nach ea"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "is"
      },
      "expansion": "is",
      "name": "m"
    },
    {
      "args": {
        "1": "ga",
        "2": "ea"
      },
      "expansion": "ea",
      "name": "m"
    }
  ],
  "etymology_text": "is + ea (literally, \"it is\")",
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "adverb"
      },
      "expansion": "sea",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "78 22",
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "yes (to copula questions)"
      ],
      "id": "en-sea-ga-adv-x5xgDZC-",
      "links": [
        [
          "yes",
          "yes"
        ]
      ]
    },
    {
      "glosses": [
        "right, well (topic introducer)"
      ],
      "id": "en-sea-ga-adv-1cweE7TB",
      "links": [
        [
          "right",
          "right"
        ],
        [
          "well",
          "well"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʃa/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "english": "superseded",
      "word": "seadh"
    }
  ],
  "word": "sea"
}

{
  "antonyms": [
    {
      "word": "ní hea"
    },
    {
      "word": "nach ea"
    }
  ],
  "categories": [
    "Irish adverbs",
    "Irish entries with incorrect language header",
    "Irish lemmas",
    "Irish terms with IPA pronunciation"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "is"
      },
      "expansion": "is",
      "name": "m"
    },
    {
      "args": {
        "1": "ga",
        "2": "ea"
      },
      "expansion": "ea",
      "name": "m"
    }
  ],
  "etymology_text": "is + ea (literally, \"it is\")",
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "adverb"
      },
      "expansion": "sea",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "yes (to copula questions)"
      ],
      "links": [
        [
          "yes",
          "yes"
        ]
      ]
    },
    {
      "glosses": [
        "right, well (topic introducer)"
      ],
      "links": [
        [
          "right",
          "right"
        ],
        [
          "well",
          "well"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʃa/"
    }
  ],
  "synonyms": [
    {
      "english": "superseded",
      "word": "seadh"
    }
  ],
  "word": "sea"
}