"γϼ" meaning in All languages combined

{
  "forms": [
    {
      "form": "gr.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "noun",
        "tr": "gr."
      },
      "expansion": "γϼ • (gr.)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "grámma",
          "word": "γράμμα"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of γράμμα (grámma)."
      ],
      "id": "en-γϼ-grc-noun-i5neDuO5",
      "links": [
        [
          "γράμμα",
          "γράμμα#Ancient Greek"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "γϼ"
}

{
  "forms": [
    {
      "form": "gr.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "noun",
        "tr": "gr."
      },
      "expansion": "γϼ • (gr.)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "grámma",
          "word": "γράμμα"
        }
      ],
      "categories": [
        "Ancient Greek abbreviations",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek lemmas",
        "Ancient Greek nouns",
        "Ancient Greek terms spelled with ϼ"
      ],
      "glosses": [
        "Abbreviation of γράμμα (grámma)."
      ],
      "links": [
        [
          "γράμμα",
          "γράμμα#Ancient Greek"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "γϼ"
}