Perlongus, Adiect. Cic.Verie long.Perlonga & non satis tuta via.Cic.Perlongum est. Plautus. It is verie long to tarrie: or it is verie farre hence.
Lewis and Short: Latin dictionary
per-longus, a, um, adj., very long.I.Lit.: via, Cic. Att. 5, 20, 8: perlongum. adverb., for a very long time, very long, Aus. Epigr. 1, 7.—II.Transf., very tedious, Plaut. Trin. 3, 3, 17.—Adv.: perlongē, a very long way off, very far: perlonge est, Ter. Eun. 3, 5, 61.