"éa-" meaning in Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "é-"
      },
      "expansion": "Old Irish é-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "cel-pro",
        "3": "*an-"
      },
      "expansion": "Proto-Celtic *an-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*n̥-"
      },
      "expansion": "Proto-Indo-European *n̥-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "un-"
      },
      "expansion": "Old English un-",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "un-"
      },
      "expansion": "English un-",
      "name": "cog"
    },
    {
      "args": {
        "1": "la",
        "2": "in-"
      },
      "expansion": "Latin in-",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "अ-"
      },
      "expansion": "Sanskrit अ- (a-)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Irish é-, from Proto-Celtic *an-, from Proto-Indo-European *n̥-. Related to Old English un- (modern English un-, Latin in-, Ancient Greek ἀ- (a-), and Sanskrit अ- (a-).",
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "prefix"
      },
      "expansion": "éa-",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Privative affix, denoting not."
      ],
      "id": "en-éa--ga-prefix--UiuTHxa",
      "links": [
        [
          "not",
          "not#English"
        ]
      ],
      "related": [
        {
          "word": "an-"
        }
      ],
      "synonyms": [
        {
          "word": "mí-"
        },
        {
          "word": "neamh-"
        },
        {
          "english": "slender variant",
          "word": "éi-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "éa-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "sga",
        "3": "é-"
      },
      "expansion": "Old Irish é-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "cel-pro",
        "3": "*an-"
      },
      "expansion": "Proto-Celtic *an-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*n̥-"
      },
      "expansion": "Proto-Indo-European *n̥-",
      "name": "inh"
    },
    {
      "args": {
        "1": "ang",
        "2": "un-"
      },
      "expansion": "Old English un-",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "un-"
      },
      "expansion": "English un-",
      "name": "cog"
    },
    {
      "args": {
        "1": "la",
        "2": "in-"
      },
      "expansion": "Latin in-",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἀ-"
      },
      "expansion": "Ancient Greek ἀ- (a-)",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "अ-"
      },
      "expansion": "Sanskrit अ- (a-)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Irish é-, from Proto-Celtic *an-, from Proto-Indo-European *n̥-. Related to Old English un- (modern English un-, Latin in-, Ancient Greek ἀ- (a-), and Sanskrit अ- (a-).",
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "prefix"
      },
      "expansion": "éa-",
      "name": "head"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "prefix",
  "related": [
    {
      "word": "an-"
    }
  ],
  "senses": [
    {
      "categories": [
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish prefixes",
        "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"
      ],
      "glosses": [
        "Privative affix, denoting not."
      ],
      "links": [
        [
          "not",
          "not#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "mí-"
    },
    {
      "word": "neamh-"
    },
    {
      "english": "slender variant",
      "word": "éi-"
    }
  ],
  "word": "éa-"
}