Etymology

crustacean

C3R1U1S1T1A1C3E1A1N1

Today it means: Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice. Full definition →

taxonomic name Crustacea ← Latin crusta ← Proto-Italic *krustos
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The story

  1. Proto-Indo-European*krews-
  2. Proto-Indo-European*krustós
  3. Proto-Italic*krustos
  4. Latincrusta
  5. taxonomic nameCrustacea
  6. English todaycrustacean

From taxonomic name Crustacea + -an.

Etymology from Wiktionary, CC BY-SA 4.0.