Etymology

heterocycle

het·er·o·cy·cle
H4E1T1E1R1O1C3Y4C3L1E1

Today it means: A heterocyclic compound or ring. Full definition →

English cycle ← Middle English cicle ← Late Latin cyclus
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The story

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sḿ̥teros
  3. Proto-Hellenic*hə́teros
  4. Ancient Greekἕτερος (héteros)
  5. Englishhetero-
  6. Proto-Indo-European*kʷelh₁-redup.
  7. Proto-Indo-European*kʷékʷlos
  8. Proto-Hellenic*kʷókʷlos
  9. Proto-Hellenic*kúklos
  10. Ancient Greekκύκλος (kúklos)
  11. Late Latincyclus
  12. Middle Englishcicle
  13. Englishcycle
  14. English todayheterocycle

From hetero- + cycle.

Etymology from Wiktionary, CC BY-SA 4.0.