phytosteroid

Etymology tree
Proto-Indo-European *bʰuH-
Proto-Indo-European *-yéti
Proto-Indo-European *bʰuHyéti
Ancient Greek φύω (phúō)
Ancient Greek φῠτόν (phŭtón)der.
English phyto-
Proto-Indo-European *ǵʰelh₃-
Proto-Hellenic *kʰolā́
Ancient Greek χολή (kholḗ)
Proto-Indo-European *ster-der.
Ancient Greek στερεός (stereós)
French cholestérine
French cholestérolbor.
English cholesterol
English sterol
Ancient Greek -ο- (-o-)der.
Latin -o-
Proto-Indo-European *weyd-
Proto-Indo-European *-os
Proto-Indo-European *wéydos
Proto-Hellenic *wéidos
Ancient Greek εἶδος (eîdos)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -ειδής (-eidḗs)
Latin -oīdēslbor.
English -oid
English steroid
English phytosteroid
From phyto- + steroid.