Etymology

endoperoxide

E1N1D2O1P3E1R1O1X8I1D2E1

Today it means: Any heterocycle containing a peroxide -O-O- residue in the ring; found especially in certain intermediates in prostaglandin biosynthesis. Full definition →

English peroxide ← Ancient Greek ἔνδον (éndon) ← Proto-Hellenic *éndon
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The story

  1. Proto-Indo-European*h₁n̥dóm
  2. Proto-Hellenic*éndon
  3. Ancient Greekἔνδον (éndon)
  4. Englishendo-
  5. Englishperoxide
  6. English todayendoperoxide

From endo- + peroxide.

Etymology from Wiktionary, CC BY-SA 4.0.