Oxi
From Simon Online
Oxi grece acutum oxos vero acetum.
Apparatus:
Oxi ABC e | Oxy f
acutum (-tũ ABC) ABC f | accutuʒ ms. e
oxos vero acetum om. e
vero om. f
Translation:
Oxi is Greek for Latin acutum {"sharpened, sharp, pointed"}, and oxos is in Latin acetum {"vinegar"}.
Commentary:
οξύ /oxý/ is the adj. neuter sg./nom. of masc. /oxýs/ οξύς, fem. /oxeîa/ οξεῖα "sharp; pungent; keen". N.b. Medieval/ Modern Greek υ > ι.
όξος /óxos/ "poor wine; vinegar".