English
ketosteroid
From keto- + steroid.
A compound of ketone + keto- + sterol + -oid + steroid
German Keton ‘ketone’
English ketone
Proto-Indo-European *ster- ‘barren, infertile’
Ancient Greek στερεός ‘firm’
French cholestérine ‘dated form of cholestérol’
French cholestéro
English cholesterol
English sterol
Proto-Indo-European *weyd- ‘to see’
Proto-Indo-European *wéydos ‘seeing’
Proto-Hellenic *wéidos
Ancient Greek εἶδος
English steroid
Today it means
noun Any steroid having a ketone functional group.
Language periods are conventional ranges, not dates for this word.
Etymograph / ketosteroid