διαρκής
From LSJ
οἱ βάρβαροι γὰρ ἄνδρας ἡγοῦνται μόνους τοὺς πλεῖστα δυναμένους καταφαγεῖν καὶ πιεῖν → for great feeders and heavy drinkers are alone esteemed as men by the barbarians
English (LSJ)
ές,
A sufficient, χώρα Th.1.15; τροφή Arist.HA626a2, Thphr.CP1.11.6; δυνάμεις D.H.4.23, etc. 2 lasting, ὠφέλεια D.3.33; ἐπὶ πολύ D.H.6.54: Comp., Luc.Anach.24: Sup., with staying power, of an athlete, Paus.6.13.3; ἵπποι Them.Or.11.146a. Adv. -κῶς S.E.P. 3.115, Eun.Hist.p.209D., Demoph.Sent.10, etc.; δ. ἔχειν τι to be amply provided with, Procop.Pers.1.21, al.: Sup. διαρκέστατα ζῆν in complete competence, X.Mem.2.8.6.