English

enantiosymmetric

From enantio- + symmetric.

Ancient Greek ᾰ̓ντῐ́ος ‘opposite, against’

Ancient Greek ἐναντίος ‘opposite’

Proto-Indo-European *meh₁- ‘to measure’

Ancient Greek μέτρον ‘measure’

Ancient Greek σῠ́μμετρος ‘symmetrical’

Ancient Greek συμμετρία

Latin symmetria ‘symmetry, proportion’

Today it means

adj Describing a process in which the reactivity of each of a pair of enantiomers is broadly similar.

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

Etymograph / enantiosymmetric