Etymology

downwash

D2O1W4N1W4A1S1H4

Today it means: downward air turbulence caused by a propeller or jet, but especially by helicopter blades Full definition →

English wash ← Middle English waschen ← Old English wascan
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The story

  1. Englishdown-
  2. Proto-Indo-European*wed-
  3. Proto-Indo-European*wodsḱéti
  4. Proto-Germanic*waskaną
  5. Proto-West Germanic*waskan
  6. Old Englishwascan
  7. Middle Englishwaschen
  8. Englishwash
  9. English todaydownwash

From down- + wash.

Etymology from Wiktionary, CC BY-SA 4.0.