secosteroidal

Etymology tree
Proto-Indo-European *sek-der.
Proto-Italic *sekaō
Latin secō
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 secosteroid
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English secosteroidal
From secosteroid + -al.