English

enantioenrichment

From enantio- + enrichment.

Ancient Greek ᾰ̓ντῐ́ος ‘opposite, against’

Ancient Greek ἐναντίος ‘opposite’

Today it means

noun enrichment, in a mixture, of either of a pair of enantiomers

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

Etymograph / enantioenrichment