"чьто" meaning in Old Church Slavonic

{
  "etymology_templates": [
    {
      "args": {
        "1": "cu",
        "2": "sla-pro",
        "3": "*čьto"
      },
      "expansion": "Proto-Slavic *čьto",
      "name": "inh"
    },
    {
      "args": {
        "1": "cu",
        "2": "ine-bsl-pro",
        "3": "*ki"
      },
      "expansion": "Proto-Balto-Slavic *ki",
      "name": "der"
    },
    {
      "args": {
        "1": "cu",
        "2": "ine-pro",
        "3": "*kʷid"
      },
      "expansion": "Proto-Indo-European *kʷid",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Slavic *čьto. Formed with a particle attached to *čь, Proto-Balto-Slavic *ki, from Proto-Indo-European *kʷid, *kʷís.",
  "forms": [
    {
      "form": "čĭto",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "lang",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "чьто",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "чесо",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "чьсо, чесого, чьсого",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "чесомоу",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "чьсомоу, чемоу",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "чьто",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "чимь",
      "source": "declension",
      "tags": [
        "instrumental",
        "singular"
      ]
    },
    {
      "form": "чемь",
      "source": "declension",
      "tags": [
        "locative",
        "singular"
      ]
    },
    {
      "form": "ни/о/при чесомьже",
      "source": "declension",
      "tags": [
        "locative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "pronoun",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "чьто • (čĭto)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "чьто • (čĭto)",
      "name": "cu-pron"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Church Slavonic entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Church Slavonic pronouns",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "100 0 0",
          "kind": "other",
          "name": "Old East Slavic entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "86 7 7",
          "kind": "other",
          "name": "Old East Slavic interrogative pronouns",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "61 20 20",
          "kind": "other",
          "name": "Old East Slavic pronouns",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "75 13 13",
          "kind": "other",
          "name": "Old East Slavic relative pronouns",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0 0",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "what (interrogative)"
      ],
      "id": "en-чьто-cu-pron-oujHlAEc",
      "links": [
        [
          "what",
          "what"
        ]
      ],
      "related": [
        {
          "roman": "ničĭto",
          "word": "ничьто"
        },
        {
          "roman": "něčĭto",
          "word": "нѣчьто"
        },
        {
          "roman": "kŭto",
          "word": "къто"
        }
      ]
    }
  ],
  "word": "чьто"
}

{
  "categories": [
    "Old East Slavic entries with incorrect language header",
    "Old East Slavic interrogative pronouns",
    "Old East Slavic lemmas",
    "Old East Slavic pronouns",
    "Old East Slavic relative pronouns",
    "Old East Slavic terms derived from Proto-Slavic",
    "Old East Slavic terms inherited from Proto-Slavic",
    "Old East Slavic terms with IPA pronunciation",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "cu",
        "2": "sla-pro",
        "3": "*čьto"
      },
      "expansion": "Proto-Slavic *čьto",
      "name": "inh"
    },
    {
      "args": {
        "1": "cu",
        "2": "ine-bsl-pro",
        "3": "*ki"
      },
      "expansion": "Proto-Balto-Slavic *ki",
      "name": "der"
    },
    {
      "args": {
        "1": "cu",
        "2": "ine-pro",
        "3": "*kʷid"
      },
      "expansion": "Proto-Indo-European *kʷid",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Slavic *čьto. Formed with a particle attached to *čь, Proto-Balto-Slavic *ki, from Proto-Indo-European *kʷid, *kʷís.",
  "forms": [
    {
      "form": "čĭto",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "lang",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "чьто",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "чесо",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "чьсо, чесого, чьсого",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "чесомоу",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "чьсомоу, чемоу",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "чьто",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "чимь",
      "source": "declension",
      "tags": [
        "instrumental",
        "singular"
      ]
    },
    {
      "form": "чемь",
      "source": "declension",
      "tags": [
        "locative",
        "singular"
      ]
    },
    {
      "form": "ни/о/при чесомьже",
      "source": "declension",
      "tags": [
        "locative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "pronoun",
        "head": "",
        "sc": "",
        "tr": ""
      },
      "expansion": "чьто • (čĭto)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "чьто • (čĭto)",
      "name": "cu-pron"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "pron",
  "related": [
    {
      "roman": "ničĭto",
      "word": "ничьто"
    },
    {
      "roman": "něčĭto",
      "word": "нѣчьто"
    },
    {
      "roman": "kŭto",
      "word": "къто"
    }
  ],
  "senses": [
    {
      "categories": [
        "Old Church Slavonic entries with incorrect language header",
        "Old Church Slavonic lemmas",
        "Old Church Slavonic pronouns",
        "Old Church Slavonic terms derived from Proto-Balto-Slavic",
        "Old Church Slavonic terms derived from Proto-Indo-European",
        "Old Church Slavonic terms derived from Proto-Slavic",
        "Old Church Slavonic terms inherited from Proto-Slavic",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "what (interrogative)"
      ],
      "links": [
        [
          "what",
          "what"
        ]
      ]
    }
  ],
  "word": "чьто"
}