I.of or belonging to a great-grandfather, or to one's ancestors, ancestral (poet.): “regna,” inherited from his forefathers, Ov. M. 13, 416: “rura,” Stat. S. 4, 4, 83' potentia, Sil. 16, 254: “medicamina didicit,” id. 5, 366: “facta,” id. 11, 88.
prŏăvītus , a, um, adj. proavus,