Etymology

azepine

A1Z10E1P3I1N1E1

Today it means: An unsaturated seven-membered heterocycle having six carbon atoms, one nitrogen atom and three double bonds Full definition →

French hepta- ← Ancient Greek ἑπτᾰ́ (heptắ) ← Proto-Hellenic *heptə́
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekᾰ̓- (ă-)
  5. Proto-Indo-European*gʷeyh₃-
  6. Proto-Indo-European*gʷih₃wós
  7. Proto-Indo-European*gʷíh₃weti
  8. Proto-Hellenic*gʷyṓw-ō
  9. Proto-Hellenic*d͏̌ṓwō
  10. Ancient Greekζώω (zṓō)
  11. Ancient Greekζῶ (zô)
  12. Ancient Greekζωή (zōḗ)
  13. Frenchazote
  14. Englishazote
  15. Englishaz-
  16. Proto-Afroasiatic*sṗɣ?
  17. Proto-Semitic*šabʕ-bor.?
  18. Proto-Indo-European*septḿ̥
  19. Proto-Hellenic*heptə́
  20. Ancient Greekἑπτᾰ́ (heptắ)
  21. Frenchhepta-
  22. English todayazepine

az- (“nitrogen-substituted”) + -epine (from French hepta- (“seven-membered”) + -ine)

Etymology from Wiktionary, CC BY-SA 4.0.