Etymology

cycloalkyl

C3Y4C3L1O1A1L1K5Y4L1

Today it means: Any univalent radical derived from a cycloalkane by removal of an atom of hydrogen Full definition →

English alkyl ← Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.?
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The story

  1. Proto-Indo-European*kʷelh₁-redup.
  2. Proto-Indo-European*kʷékʷlos
  3. Proto-Hellenic*kʷókʷlos
  4. Proto-Hellenic*kúklos
  5. Ancient Greekκύκλος (kúklos)
  6. Late Latincyclus
  7. Middle Englishcicle
  8. Englishcycle
  9. Ancient Greekκύκλος (kúklos)
  10. Ancient Greekκυκλῐκός (kuklĭkós)
  11. Classical Latincyclicu
  12. Middle Frenchcyclique
  13. Frenchcyclique
  14. Classical Latincyclicus
  15. Englishcyclic
  16. Englishcyclo-
  17. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  18. Aramaicכוחלא (kuḥlā)
  19. Arabicكُحْل (kuḥl)
  20. Andalusian Arabicكُحُول (kuḥūl)
  21. Medieval Latinalcoho
  22. Middle Englishalcofol
  23. Englishalc(ohol)
  24. Proto-Indo-European*swel-der.?
  25. Ancient Greekῡ̔́λη (hū́lē)
  26. Englishalkyl
  27. English todaycycloalkyl

From cyclo- + alkyl.

Etymology from Wiktionary, CC BY-SA 4.0.