The story
- Proto-Indo-European*kʷelh₁-redup.
- Proto-Indo-European*kʷékʷlos
- Proto-Hellenic*kʷókʷlos
- Proto-Hellenic*kúklos
- Ancient Greekκύκλος (kúklos)
- Late Latincyclus
- Middle Englishcicle
- Englishcycle
- Ancient Greekκύκλος (kúklos)
- Ancient Greekκυκλῐκός (kuklĭkós)
- Classical Latincyclicu
- Middle Frenchcyclique
- Frenchcyclique
- Classical Latincyclicus
- Englishcyclic
- Englishcy(clo)-
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Italic*prō
- Latinprō
- Englishpro-
- Latingestāre
- GermanKeton
- Englishketone
- Englishpro(ges)terone
- English todaycyproterone
From cy(clo)- + pro(ges)terone.
Etymology from Wiktionary, CC BY-SA 4.0.