"⿻古八" meaning in Vietnamese

{
  "etymology_text": "This character uses tháu đấm diacritics derived from cursive.",
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "character",
  "senses": [
    {
      "alt_of": [
        {
          "word": "固"
        },
        {
          "word": "see there for more details"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Vietnamese Chữ Hán",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese Nom",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese variant characters",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Kim Vân Kiều tân truyện (金雲翹新傳 \"New Tale of Jin Yun Qiao\"), 29b\n浪些（⿻古八）馭追𲋄\nRằng ta có ngựa truy phong,\nIt was said that I have a horse fast as the wind.",
          "type": "example"
        }
      ],
      "glosses": [
        "Variant of 固, see there for more details."
      ],
      "id": "en-⿻古八-vi-character-ckbzxQlS",
      "links": [
        [
          "固",
          "固#Vietnamese"
        ]
      ],
      "raw_tags": [
        "han"
      ],
      "related": [
        {
          "tags": [
            "han-viet-reading"
          ],
          "word": "cố"
        },
        {
          "tags": [
            "nom-reading"
          ],
          "word": "có"
        },
        {
          "word": "𱸳"
        }
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "⿻古八"
}

{
  "etymology_text": "This character uses tháu đấm diacritics derived from cursive.",
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "character",
  "related": [
    {
      "tags": [
        "han-viet-reading"
      ],
      "word": "cố"
    },
    {
      "tags": [
        "nom-reading"
      ],
      "word": "có"
    },
    {
      "word": "𱸳"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "固"
        },
        {
          "word": "see there for more details"
        }
      ],
      "categories": [
        "English terms with quotations",
        "Vietnamese Chữ Hán",
        "Vietnamese Han characters",
        "Vietnamese Nom",
        "Vietnamese lemmas",
        "Vietnamese terms with usage examples",
        "Vietnamese variant characters"
      ],
      "examples": [
        {
          "text": "Kim Vân Kiều tân truyện (金雲翹新傳 \"New Tale of Jin Yun Qiao\"), 29b\n浪些（⿻古八）馭追𲋄\nRằng ta có ngựa truy phong,\nIt was said that I have a horse fast as the wind.",
          "type": "example"
        }
      ],
      "glosses": [
        "Variant of 固, see there for more details."
      ],
      "links": [
        [
          "固",
          "固#Vietnamese"
        ]
      ],
      "raw_tags": [
        "han"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "⿻古八"
}