The story
- Late Latincyclus
- Middle Englishcicle
- Englishcycle
- Ancient Greekκυκλῐκός (kuklĭkós)
- Classical Latincyclicu
- Middle Frenchcyclique
- Frenchcyclique
- Classical Latincyclicus
- Englishcyclic
- Englishcyclo-
- Englishpropane
- Englishcyclopropane
- English todaycyclopropanation
From cyclopropane + -ation.
Etymology from Wiktionary, CC BY-SA 4.0.