"com" meaning in Old Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "co",
        "3": "mo",
        "id1": "with",
        "t1": "with",
        "t2": "my"
      },
      "expansion": "Univerbation of co (“with”) + mo (“my”)",
      "name": "univerbation"
    }
  ],
  "etymology_text": "Univerbation of co (“with”) + mo (“my”).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "determiner form",
        "3": "triggers lenition",
        "cat2": "possessive determiners"
      },
      "expansion": "com (triggers lenition)",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "det",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish possessive determiners",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Irish univerbations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 17 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "with my"
      ],
      "id": "en-com-sga-det-uGrOYllR",
      "tags": [
        "triggers-lenition"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kom/"
    }
  ],
  "word": "com"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "co",
        "3": "mo",
        "id1": "with",
        "t1": "with",
        "t2": "my"
      },
      "expansion": "Univerbation of co (“with”) + mo (“my”)",
      "name": "univerbation"
    }
  ],
  "etymology_text": "Univerbation of co (“with”) + mo (“my”).",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "determiner form",
        "3": "triggers lenition",
        "cat2": "possessive determiners"
      },
      "expansion": "com (triggers lenition)",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "det",
  "senses": [
    {
      "categories": [
        "Old Irish compound terms",
        "Old Irish determiner forms",
        "Old Irish entries with incorrect language header",
        "Old Irish non-lemma forms",
        "Old Irish possessive determiners",
        "Old Irish terms with IPA pronunciation",
        "Old Irish univerbations",
        "Pages with 17 entries",
        "Pages with entries"
      ],
      "glosses": [
        "with my"
      ],
      "tags": [
        "triggers-lenition"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kom/"
    }
  ],
  "word": "com"
}