English

isoaldehyde

From iso- + aldehyde.

Ancient Greek ἴσος ‘equal’

English iso-

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

German Aldehyd

Today it means

noun Any branched-chain form of an aliphatic aldehyde

Language periods are conventional ranges, not dates for this word.

Etymograph / isoaldehyde