"Köchel number" meaning in English

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  "etymology_text": "Named after Austrian musicologist Ludwig Ritter von Köchel (1800–1877).",
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          "ref": "2014, Virginia Euwer Wolff, The Mozart Season, Square Fish, page 78",
          "text": "Every Mozart piece has a Köchel number. The Fourth Concerto is K. 218, and the highest Köchel number is 626. I was spending my summer with a Köchel number.",
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        }
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        "A number assigned to each work composed by Wolfgang Amadeus Mozart."
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        [
          "number",
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      "synonyms": [
        {
          "word": "K"
        }
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    }
  ],
  "word": "Köchel number"
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