Etymology

Claus

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Today it means: A male given name from Dutch or from German [in turn from Ancient Greek]. Full definition →

German Claus
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The story

  1. German · borrowed fromClaus
  2. English todayClaus

From Dutch and German Claus, a contraction of Nicolaus (“Nicholas”). The spelling Klaus is from more modern German Klaus and other Germanic languages.

Etymology from Wiktionary, CC BY-SA 4.0.