"быччын" meaning in Yakut

{
  "etymology_text": "From былчыҥ (bılcıñ).",
  "forms": [
    {
      "form": "bıccın",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sah",
        "2": "noun"
      },
      "expansion": "быччын • (bıccın)",
      "name": "head"
    }
  ],
  "lang": "Yakut",
  "lang_code": "sah",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yakut entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sah",
          "name": "Anatomy",
          "orig": "sah:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "muscle"
      ],
      "id": "en-быччын-sah-noun-24dbJbBv",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(anatomy) muscle"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "быччын"
}

{
  "etymology_text": "From былчыҥ (bılcıñ).",
  "forms": [
    {
      "form": "bıccın",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sah",
        "2": "noun"
      },
      "expansion": "быччын • (bıccın)",
      "name": "head"
    }
  ],
  "lang": "Yakut",
  "lang_code": "sah",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Yakut entries with incorrect language header",
        "Yakut lemmas",
        "Yakut nouns",
        "sah:Anatomy"
      ],
      "glosses": [
        "muscle"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(anatomy) muscle"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "быччын"
}