Etymology

decahydroisoquinoline

Today it means: The saturated, bicyclic heterocycle, related to isoquinoline, composed of a cyclohexane ring fused to that of piperidine Full definition →

English isoquinoline ← Ancient Greek ῐ̓́σος (ĭ́sos) ← Proto-Hellenic *údōr
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Indo-European*déḱm̥
  2. Proto-Hellenic*dékə
  3. Ancient Greekδέκᾰ (dékă)
  4. Ancient Greekδεκάς (dekás)
  5. Late Latindecas
  6. Frenchdéca-
  7. Englishdeca-
  8. Proto-Indo-European*wed-
  9. Proto-Indo-European*wódr̥
  10. Proto-Hellenic*údōr
  11. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  12. Ancient Greekῠ̔δρο- (hŭdro-)
  13. Englishhydro-
  14. Ancient Greekῐ̓́σος (ĭ́sos)
  15. Englishiso-
  16. Englishquinine
  17. Englishquinoline
  18. Englishisoquinoline
  19. English todaydecahydroisoquinoline

From deca- + hydro- + isoquinoline.

Etymology from Wiktionary, CC BY-SA 4.0.