"co" meaning in Middle Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "chuig",
            "3": "chun",
            "4": "go"
          },
          "expansion": "Irish: chuig, chun, go",
          "name": "desc"
        }
      ],
      "text": "Irish: chuig, chun, go"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "gu"
          },
          "expansion": "Scottish Gaelic: gu",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: gu"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "sga",
        "3": "co"
      },
      "expansion": "Old Irish co",
      "name": "inh"
    },
    {
      "args": {
        "1": "mga",
        "2": "cel-pro",
        "3": "*kʷos"
      },
      "expansion": "Proto-Celtic *kʷos",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish co, from Proto-Celtic *kʷos.",
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "preposition",
        "3": "takes the accusative; triggers h-prothesis before vowels"
      },
      "expansion": "co (takes the accusative; triggers h-prothesis before vowels)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle Irish prepositions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 29 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "They were all made welcome and brought to him in the hall.",
          "ref": "c. 1000, “The Tale of Mac Da Thó's Pig”, in Ernst Windisch, editor, Irische Texte, volume 1, published 1800, section 1:",
          "text": "Ro·ferad failte friu uile, ocus ructha chucisium isin mbruidin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to, toward"
      ],
      "id": "en-co-mga-prep-fSDqCc1V",
      "links": [
        [
          "to",
          "to"
        ],
        [
          "toward",
          "toward"
        ]
      ],
      "synonyms": [
        {
          "word": "go"
        }
      ],
      "tags": [
        "before-vowel",
        "triggers-h-prothesis"
      ]
    }
  ],
  "word": "co"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ga",
            "2": "chuig",
            "3": "chun",
            "4": "go"
          },
          "expansion": "Irish: chuig, chun, go",
          "name": "desc"
        }
      ],
      "text": "Irish: chuig, chun, go"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gd",
            "2": "gu"
          },
          "expansion": "Scottish Gaelic: gu",
          "name": "desc"
        }
      ],
      "text": "Scottish Gaelic: gu"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mga",
        "2": "sga",
        "3": "co"
      },
      "expansion": "Old Irish co",
      "name": "inh"
    },
    {
      "args": {
        "1": "mga",
        "2": "cel-pro",
        "3": "*kʷos"
      },
      "expansion": "Proto-Celtic *kʷos",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Irish co, from Proto-Celtic *kʷos.",
  "head_templates": [
    {
      "args": {
        "1": "mga",
        "2": "preposition",
        "3": "takes the accusative; triggers h-prothesis before vowels"
      },
      "expansion": "co (takes the accusative; triggers h-prothesis before vowels)",
      "name": "head"
    }
  ],
  "lang": "Middle Irish",
  "lang_code": "mga",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "Middle Irish entries with incorrect language header",
        "Middle Irish lemmas",
        "Middle Irish prepositions",
        "Middle Irish terms derived from Old Irish",
        "Middle Irish terms derived from Proto-Celtic",
        "Middle Irish terms inherited from Old Irish",
        "Middle Irish terms inherited from Proto-Celtic",
        "Middle Irish terms with quotations",
        "Pages with 29 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "They were all made welcome and brought to him in the hall.",
          "ref": "c. 1000, “The Tale of Mac Da Thó's Pig”, in Ernst Windisch, editor, Irische Texte, volume 1, published 1800, section 1:",
          "text": "Ro·ferad failte friu uile, ocus ructha chucisium isin mbruidin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to, toward"
      ],
      "links": [
        [
          "to",
          "to"
        ],
        [
          "toward",
          "toward"
        ]
      ],
      "tags": [
        "before-vowel",
        "triggers-h-prothesis"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "go"
    }
  ],
  "word": "co"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: takes the accusative",
  "path": [
    "co"
  ],
  "section": "Middle Irish",
  "subsection": "preposition",
  "title": "co",
  "trace": ""
}