"dó" meaning in Old Irish

{
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prepositional pronoun"
      },
      "expansion": "dó",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "17 83",
          "kind": "other",
          "name": "Old Irish prepositional pronouns",
          "parents": [
            "Prepositional pronouns",
            "Prepositions",
            "Pronoun forms",
            "Lemmas",
            "Non-lemma forms",
            "Pronouns"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "to, for",
          "word": "do"
        }
      ],
      "glosses": [
        "third-person singular masculine/neuter of do (“to, for”)"
      ],
      "id": "en-dó-sga-pron-QqFiXHPW",
      "links": [
        [
          "do",
          "do#Old_Irish"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "neuter",
        "singular",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[doː]"
    }
  ],
  "word": "dó"
}

{
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "dó",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ndó",
      "source": "mutation"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "adverb"
      },
      "expansion": "dó",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "for this reason"
      ],
      "id": "en-dó-sga-adv-1FjjiH0j",
      "links": [
        [
          "reason",
          "reason"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[doː]"
    }
  ],
  "word": "dó"
}

{
  "categories": [
    "Old Irish adverbs",
    "Old Irish entries with incorrect language header",
    "Old Irish lemmas",
    "Old Irish non-lemma forms",
    "Old Irish prepositional pronouns",
    "Pages with 9 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "prepositional pronoun"
      },
      "expansion": "dó",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "pron",
  "senses": [
    {
      "form_of": [
        {
          "extra": "to, for",
          "word": "do"
        }
      ],
      "glosses": [
        "third-person singular masculine/neuter of do (“to, for”)"
      ],
      "links": [
        [
          "do",
          "do#Old_Irish"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "neuter",
        "singular",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[doː]"
    }
  ],
  "word": "dó"
}

{
  "categories": [
    "Old Irish adverbs",
    "Old Irish entries with incorrect language header",
    "Old Irish lemmas",
    "Old Irish non-lemma forms",
    "Old Irish prepositional pronouns",
    "Pages with 9 entries",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "dó",
      "source": "mutation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "ndó",
      "source": "mutation"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "adverb"
      },
      "expansion": "dó",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "for this reason"
      ],
      "links": [
        [
          "reason",
          "reason"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[doː]"
    }
  ],
  "word": "dó"
}

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

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'lenition'",
  "path": [
    "dó"
  ],
  "section": "Old Irish",
  "subsection": "adverb",
  "title": "dó",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'nasalization'",
  "path": [
    "dó"
  ],
  "section": "Old Irish",
  "subsection": "adverb",
  "title": "dó",
  "trace": ""
}

{
  "called_from": "inflection/1826",
  "msg": "inflection table: empty tags for ndó",
  "path": [
    "dó"
  ],
  "section": "Old Irish",
  "subsection": "adverb",
  "title": "dó",
  "trace": ""
}