The story
- Proto-Indo-European*h₁én
- Ancient Greekἐν (en)
- Ancient Greekἐν- (en-)
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂entíos
- Proto-Hellenic*antíos
- Ancient Greekᾰ̓ντῐ́ος (ăntĭ́os)
- Ancient Greekἐνᾰντῐ́ος (enăntĭ́os)
- Englishenantio-
- Proto-Indo-European*(s)mer-
- Proto-Indo-European*(s)méros
- Proto-Hellenic*(h)méros
- Ancient Greekμέρος (méros)
- Englishenantiomer
- English todayenantiomeric
From enantiomer + -ic.
Etymology from Wiktionary, CC BY-SA 4.0.