The story
- Proto-Indo-European*sek-
- Proto-Indo-European*sékh₁yeti
- Proto-Italic*sekaō
- Latinsecō
- Proto-Indo-European*ǵʰelh₃-
- Proto-Hellenic*kʰolā́
- Ancient Greekχολή (kholḗ)
- Proto-Indo-European*ster-
- Ancient Greekστερεός (stereós)
- Frenchcholestérine
- Frenchcholestéro
- Englishcholesterol
- Englishsterol
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- Englishsteroid
- Englishsecosteroid
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todaysecosteroidal
From secosteroid + -al.
Etymology from Wiktionary, CC BY-SA 4.0.