"ki-" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "fr",
        "3": "-"
      },
      "expansion": "French",
      "name": "bor"
    },
    {
      "args": {
        "1": "fr",
        "2": "qui"
      },
      "expansion": "qui",
      "name": "m"
    },
    {
      "args": {
        "1": "eo",
        "2": "it",
        "3": "-"
      },
      "expansion": "Italian",
      "name": "bor"
    },
    {
      "args": {
        "1": "it",
        "2": "che"
      },
      "expansion": "che",
      "name": "m"
    },
    {
      "args": {
        "1": "eo",
        "2": "ru",
        "3": "-"
      },
      "expansion": "Russian",
      "name": "bor"
    }
  ],
  "etymology_text": "From interrogative and relative pronouns of European languages, such as French (qui, que, quoi, quel, quand, comment, combien), Italian (che), Russian (кто, как, какой, куда, когда).",
  "head_templates": [
    {
      "args": {
        "1": "eo",
        "2": "prefix"
      },
      "expansion": "ki-",
      "name": "head"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto correlatives",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "which one, who, which/what (with a noun)",
          "word": "kiu"
        },
        {
          "english": "what (without a noun)",
          "word": "kio"
        },
        {
          "english": "what kind of, what a ...!",
          "word": "kia"
        },
        {
          "english": "whose",
          "word": "kies"
        },
        {
          "english": "how, to what degree",
          "word": "kiel"
        },
        {
          "english": "where",
          "word": "kie"
        },
        {
          "english": "when",
          "word": "kiam"
        },
        {
          "english": "how much",
          "word": "kiom"
        },
        {
          "english": "why",
          "word": "kial"
        }
      ],
      "glosses": [
        "wh-, what (interrogative/relative correlative prefix)"
      ],
      "id": "en-ki--eo-prefix-0orZQD~i",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ki-"
}

{
  "derived": [
    {
      "english": "which one, who, which/what (with a noun)",
      "word": "kiu"
    },
    {
      "english": "what (without a noun)",
      "word": "kio"
    },
    {
      "english": "what kind of, what a ...!",
      "word": "kia"
    },
    {
      "english": "whose",
      "word": "kies"
    },
    {
      "english": "how, to what degree",
      "word": "kiel"
    },
    {
      "english": "where",
      "word": "kie"
    },
    {
      "english": "when",
      "word": "kiam"
    },
    {
      "english": "how much",
      "word": "kiom"
    },
    {
      "english": "why",
      "word": "kial"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": "fr",
        "3": "-"
      },
      "expansion": "French",
      "name": "bor"
    },
    {
      "args": {
        "1": "fr",
        "2": "qui"
      },
      "expansion": "qui",
      "name": "m"
    },
    {
      "args": {
        "1": "eo",
        "2": "it",
        "3": "-"
      },
      "expansion": "Italian",
      "name": "bor"
    },
    {
      "args": {
        "1": "it",
        "2": "che"
      },
      "expansion": "che",
      "name": "m"
    },
    {
      "args": {
        "1": "eo",
        "2": "ru",
        "3": "-"
      },
      "expansion": "Russian",
      "name": "bor"
    }
  ],
  "etymology_text": "From interrogative and relative pronouns of European languages, such as French (qui, que, quoi, quel, quand, comment, combien), Italian (che), Russian (кто, как, какой, куда, когда).",
  "head_templates": [
    {
      "args": {
        "1": "eo",
        "2": "prefix"
      },
      "expansion": "ki-",
      "name": "head"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Esperanto correlatives",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto prefixes",
        "Esperanto terms borrowed from French",
        "Esperanto terms borrowed from Italian",
        "Esperanto terms borrowed from Russian",
        "Esperanto terms derived from French",
        "Esperanto terms derived from Italian",
        "Esperanto terms derived from Russian"
      ],
      "glosses": [
        "wh-, what (interrogative/relative correlative prefix)"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ki-"
}