Etymology

crusty

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Today it means: Having a crust, especially a thick one. Full definition →

Middle English crusty ← Anglo-Norman cruste ← Latin crusta
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The story

  1. Proto-Indo-European*krews-
  2. Proto-Indo-European*krustós
  3. Proto-Italic*krustos
  4. Latincrusta
  5. Anglo-Normancruste
  6. Middle Englishcruste
  7. Middle Englishcrusty
  8. English todaycrusty

From Middle English crusty, equivalent to crust + -y.

Etymology from Wiktionary, CC BY-SA 4.0.