"ata" meaning in Old Irish

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "verb form"
      },
      "expansion": "ata",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "85 15",
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "is"
        }
      ],
      "glosses": [
        "third-person plural present indicative relative of is"
      ],
      "id": "en-ata-sga-verb-LwEHYYI2",
      "links": [
        [
          "is",
          "is#Old Irish"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "plural",
        "present",
        "relative",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ada/"
    }
  ],
  "word": "ata"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "a·ta",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "verb form",
        "head": "a·ta"
      },
      "expansion": "a·ta",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "at·tá"
        }
      ],
      "glosses": [
        "Alternative spelling of at·tá"
      ],
      "id": "en-ata-sga-verb-7lsnO6g0",
      "links": [
        [
          "at·tá",
          "attá#Old Irish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈtaː/"
    }
  ],
  "word": "ata"
}

{
  "categories": [
    "Old Irish entries with incorrect language header",
    "Old Irish non-lemma forms",
    "Old Irish palindromes",
    "Old Irish terms with IPA pronunciation",
    "Old Irish verb forms"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "verb form"
      },
      "expansion": "ata",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "is"
        }
      ],
      "glosses": [
        "third-person plural present indicative relative of is"
      ],
      "links": [
        [
          "is",
          "is#Old Irish"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "plural",
        "present",
        "relative",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ada/"
    }
  ],
  "word": "ata"
}

{
  "categories": [
    "Old Irish entries with incorrect language header",
    "Old Irish non-lemma forms",
    "Old Irish palindromes",
    "Old Irish terms with IPA pronunciation",
    "Old Irish verb forms"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "a·ta",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "verb form",
        "head": "a·ta"
      },
      "expansion": "a·ta",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "at·tá"
        }
      ],
      "glosses": [
        "Alternative spelling of at·tá"
      ],
      "links": [
        [
          "at·tá",
          "attá#Old Irish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈtaː/"
    }
  ],
  "word": "ata"
}