βούμασθος

βού-μασθος or [suff] βού-μαστος (so in PSI4.429 (iii A. D.)) (sc. ἄμπελος), ἡ,

A vine bearing large grapes, Virg.G.2.102, Plin. HN14.15, Macr.Sat.3.20.7.