"com-" meaning in Latin

{
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix form"
      },
      "expansion": "com-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "_dis": "38 15 14 1 32",
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "allomorph of con-"
      ],
      "id": "en-com--la-prefix-VnisoQlA",
      "links": [
        [
          "con-",
          "con-#Latin"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "com-"
}

{
  "categories": [
    "Old Irish entries with incorrect language header",
    "Old Irish lemmas",
    "Old Irish prefixes",
    "Old Irish terms derived from Proto-Celtic",
    "Old Irish terms inherited from Proto-Celtic",
    "Old Irish terms with IPA pronunciation"
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix form"
      },
      "expansion": "com-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin non-lemma forms",
        "Latin prefix forms"
      ],
      "glosses": [
        "allomorph of con-"
      ],
      "links": [
        [
          "con-",
          "con-#Latin"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "com-"
}