The story
- Proto-Indo-European*sem-
- Proto-Indo-European*sēmi
- Proto-Hellenic[Term?]
- Ancient Greekἡμῐ- (hēmĭ-)
- Englishhemi-
- Englishacetal
- English todayhemiacetal
Etymology from Wiktionary, CC BY-SA 4.0.
hemiacetal
Today it means: Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen). Full definition →
English acetal ← Ancient Greek ἡμῐ- (hēmĭ-) ← Proto-Hellenic [Term?]