Etymology

mustard gas

Today it means: A highly cytotoxic vesicant, C₄H₈Cl₂S, used in World War I that is known to cause skin burns, blisters, inflammation, edema, and potentially other respiratory effects. Full definition →

German Senfgas
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The story

  1. German · calque ofSenfgas
  2. English todaymustard gas

Calque of German Senfgas.

Etymology from Wiktionary, CC BY-SA 4.0.