"чиєїсь" meaning in Ukrainian

{
  "forms": [
    {
      "form": "чиє́їсь",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "čyjéjisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "pronoun form",
        "head": "чиє́їсь"
      },
      "expansion": "чиє́їсь • (čyjéjisʹ)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "чи‧є‧їсь"
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "čyjsʹ",
          "word": "чийсь"
        }
      ],
      "glosses": [
        "genitive feminine of чийсь (čyjsʹ)"
      ],
      "id": "en-чиєїсь-uk-pron-hFdEWsRH",
      "links": [
        [
          "чийсь",
          "чийсь#Ukrainian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "genitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ʃeˈjɛjisʲ]"
    }
  ],
  "word": "чиєїсь"
}

{
  "forms": [
    {
      "form": "чиє́їсь",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "čyjéjisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "pronoun form",
        "head": "чиє́їсь"
      },
      "expansion": "чиє́їсь • (čyjéjisʹ)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "чи‧є‧їсь"
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Ukrainian entries with incorrect language header",
        "Ukrainian non-lemma forms",
        "Ukrainian pronoun forms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "čyjsʹ",
          "word": "чийсь"
        }
      ],
      "glosses": [
        "genitive feminine of чийсь (čyjsʹ)"
      ],
      "links": [
        [
          "чийсь",
          "чийсь#Ukrainian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "genitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ʃeˈjɛjisʲ]"
    }
  ],
  "word": "чиєїсь"
}