isosteroidal

Etymology tree
Ancient Greek ῐ̓́σος (ĭ́sos)lbor.
English iso-
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
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
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Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English steroidal
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English iso-
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English steroid
English isosteroid
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English -al
English isosteroidal
From iso- + steroidal of isosteroid + -al.