"истии" meaning in Yakut

{
  "etymology_templates": [
    {
      "args": {
        "1": "sah",
        "2": "ru",
        "3": "щи"
      },
      "expansion": "Russian щи (šči)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Russian щи (šči).",
  "forms": [
    {
      "form": "istii",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sah",
        "2": "noun"
      },
      "expansion": "истии • (istii)",
      "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": "Soups",
          "orig": "sah:Soups",
          "parents": [
            "Foods",
            "Eating",
            "Food and drink",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "shchi"
      ],
      "id": "en-истии-sah-noun-iL5rH7nb",
      "links": [
        [
          "shchi",
          "shchi"
        ]
      ]
    }
  ],
  "word": "истии"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sah",
        "2": "ru",
        "3": "щи"
      },
      "expansion": "Russian щи (šči)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Russian щи (šči).",
  "forms": [
    {
      "form": "istii",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sah",
        "2": "noun"
      },
      "expansion": "истии • (istii)",
      "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",
        "Yakut terms borrowed from Russian",
        "Yakut terms derived from Russian",
        "sah:Soups"
      ],
      "glosses": [
        "shchi"
      ],
      "links": [
        [
          "shchi",
          "shchi"
        ]
      ]
    }
  ],
  "word": "истии"
}