O / omphăcĭum
noun greek

omphăcĭum

gen. omphăcii · gender neuter · decl. 2nd
= ὀμφάκιον
the oil; juice of unripe olives; grapes
the oil or juice of unripe olives or grapes, Plin. 12, 27, 60, § 130; 14, 16, 18, § 98.