Etymology

keratin

K5E1R1A1T1I1N1

Today it means: The protein of which hair and nails are composed. Full definition →

German Keratin ← Ancient Greek κέρας
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The story

  1. Ancient Greek · derived fromκέρας“horn”
  2. German · borrowed fromKeratin
  3. English todaykeratin

Borrowed from German Keratin, from Ancient Greek κέρας (kéras, “horn”) + -in. Doublet of carat.

Words from the same roots

Ancient Greekκέρας all →

saratogakeratomileusiscalyceraceouscerargyritecerasdinoceraskerato-keratoglobuskeraulophonkeritekeroidorthoceras

Etymology from Wiktionary, CC BY-SA 4.0.