A.“-βήσομαι” X.Eq.Mag.1.2:—go up, or mount besides, l. c.; of water-birds, “π. πρὸς τὰς πέτρας” Arist.HA617a26; “π. πρὸς τὸ ὄρθιον” D.C.39.45; rise higher, as a swollen river, Plb.3.72.4; “πόλις προσαναβαίνουσα” lying on a mountain side, Poll.9.20: metaph., π. τῷ Ῥωμύλῳ go back as far as R., Plu.Thes.1.
προσανα-βαίνω , fut.