Polybius, A learned man of Magalopolis in Arcadie, maister to Scipio Affricane: he wrote the Romayne historie in 40. bookes.
Lewis and Short: Latin dictionary
Pŏlbĭus, ii, m., = *polu/bios, a celebrated Greek historian from Megalopolis, in Arcadia, the son of Lycortas and friend of the younger Scipio Africanus, Cic. Rep. 1, 21, 34; 2, 14, 27; 4, 3, 3; id. Off. 3, 32, 113; Liv. 30, 45.