Etymology

smoothen

S1M3O1O1T1H4E1N1

Today it means: To make smooth. Full definition →

English smooth ← Middle English smethe ← Old English smēþe
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The story

  1. Old Englishsmōþ
  2. Middle Englishsmothe
  3. Proto-West Germanic*smanþī
  4. Old Englishsmēþe
  5. Middle Englishsmethe
  6. Englishsmooth
  7. English todaysmoothen

From smooth + -en.

Etymology from Wiktionary, CC BY-SA 4.0.