Etymology

haloperoxidase

H4A1L1O1P3E1R1O1X8I1D2A1S1E1

Today it means: Any of a class of enzymes that oxidize organic halogen compounds; they are hemoproteins or similar Full definition →

English peroxidase ← Ancient Greek ᾰ̔́λς (hắls) ← Proto-Hellenic *hā́ls
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The story

  1. Proto-Indo-European*sḗh₂l
  2. Proto-Hellenic*hā́ls
  3. Ancient Greekᾰ̔́λς (hắls)
  4. Englishhalo-
  5. Englishperoxidase
  6. English todayhaloperoxidase

From halo- + peroxidase.

Etymology from Wiktionary, CC BY-SA 4.0.