The story
- Proto-Indo-European*dʰewh₂-der.?
- Ancient Greekθέειον (théeion)
- Ancient Greekθεῖον (theîon)
- Englishthio-
- Englishhemiacetal
- English todaythiohemiacetal
From thio- + hemiacetal.
Etymology from Wiktionary, CC BY-SA 4.0.
thiohemiacetal
Today it means: any compound, of general formula R₂C(SR')OH, R₂C(OR')SH or R₂C(SR')SH, derived from a hemiacetal by replacing oxygen with sulfur Full definition →
English hemiacetal ← Ancient Greek θεῖον (theîon) ← Proto-Indo-European *dʰewh₂-der.?