(adj.adv.) : perpes, ĕtis, adj.like perpetuus, from per-peto
* Lasting throughout, continuous, uninterrupted, continual, perpetual (anteand post-class.): perpetem pro perpetuo dixerunt poëtae,Fest. p. 217 Müll.: luna proprio suo perpeti candore, App. de Deo Socr. init.: silentium,id. Flor. 3, p. 357, 27: rivus cruore fluebat perpeti,Prud. Cath. 10, 42.
* Esp., of time, continuous, never ending, perpetual, entire, whole: noctem perpetem,Plaut. Am. 1, 1, 125; 2, 2, 100; id. Truc. 2, 2, 23: nocte perpeti,Just. 5, 7, 6; Capitol. Ver. 4: perpetem diem alternis pedibus insistunt,Sol. 52: per annum perpetem,Lact. Mort. Pers. 33 fin.: perpes aevi aeternitas,Jul. Val. Rer. Gest. Alex. M. 1, 34 Mai.— Hence, adv.: perpĕtim, constantly, without intermission, perpetually, App. Mag. p. 321, 5 (but in Plin. 20, 6, 21, § 44, the correct read. is perpetuo; v. Sillig ad h. l., and Hand, Turs. 4, p. 465).

s. TLL