Borysthenes, is, m., = Βορυσθένης, a large but gently-flowing river in Sarmatia, which empties into the Black Sea, now the Dnieper, Mel. 2, 1, 6; 2, 7, 2; Curt. 6, 2, 13; Plin. 4, 12, 26, § 82 sq.; Gell. 9, 4, 6.

— Derivv. Borysthenius, a, um, adj., pertaining to the Borysthenes: amnis, poet. circumlocution for Borysthenes, Ov. P. 4, 10, 53.

— Borysthenis, idis, f., adj., = Βορυσθενίς, the same: ora, Calvus ap. Val. Prob. p. 1395 P.

—And subst.: Bory-sthenis, idis, f., a town on the Borysthenes, previously called Olbia, a colony from Miletus, now Kudak, in the region of the present Oczakow, or of Nikolajew, Mel. 2, 1, 6 (here erroneously distinguished from Olbia).

— Borysthenidae, ārum, m., the dwellers on or near the Borysthenes: hiberni, Prop. 2, 7, 18.

— Borysthe-nītae, ārum, = Βορυσθενῖται, the same, Macr. S. 1, 11, 33.