"ფირტუ" meaning in Old Georgian

{
  "forms": [
    {
      "form": "pirṭu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oge",
        "2": "noun"
      },
      "expansion": "ფირტუ • (pirṭu)",
      "name": "head"
    }
  ],
  "lang": "Old Georgian",
  "lang_code": "oge",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "pirṭwi",
          "word": "ფირტჳ"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Old Georgian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of ფირტჳ (pirṭwi)"
      ],
      "id": "en-ფირტუ-oge-noun-0AX7YzDu",
      "links": [
        [
          "ფირტჳ",
          "ფირტჳ#Old Georgian"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "ფირტუ"
}

{
  "forms": [
    {
      "form": "pirṭu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oge",
        "2": "noun"
      },
      "expansion": "ფირტუ • (pirṭu)",
      "name": "head"
    }
  ],
  "lang": "Old Georgian",
  "lang_code": "oge",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "pirṭwi",
          "word": "ფირტჳ"
        }
      ],
      "categories": [
        "Old Georgian entries with incorrect language header",
        "Old Georgian lemmas",
        "Old Georgian nouns"
      ],
      "glosses": [
        "Alternative form of ფირტჳ (pirṭwi)"
      ],
      "links": [
        [
          "ფირტჳ",
          "ფირტჳ#Old Georgian"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "ფირტუ"
}