English

achiral

From a- + chiral.

A compound of a- + chiral

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

Proto-Indo-European *ǵʰes- ‘hand’

Proto-Indo-European *ǵʰésōr ‘hand’

Proto-Hellenic *kʰéhər

Ancient Greek χείρ ‘hand’

Today it means

adj Superimposable on its mirror image; amphichiral.

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