English

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Alternative forms

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Etymology

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Onomatopoeic.

Interjection

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katchoo!

  1. Synonym of achoo, characteristic sound of a person sneezing.
    • 1951, Huge McCrae, The Ship of Heaven, volume I, page 19:
      SIR GORGEOUS [Sneezes and looks about him] Katchoo! Kazz-ee! Oh, D. this cough!