A.sum)) that which is over and above, surplus, abundance, “ἐρίων” Ar.Nu.50 ; “νεῶν” Th.3.13 ; “χρημάτων” Id.1.2, 2.13 ; οὔτε σοφίας ἐνδείᾳ οὔτ᾽ αἰσχύνης π. Pl.Grg.487e; “τοσαύτῃ π. χρήσασθαι πονηρίας” D.19.55; ἂν . . μοι π. ᾖ τοῦ ὕδατος, i.e. time enough for speaking, Id.59.20.
2. residuum, Hp.Cord.11.
II. abs., net gain, profit, “ἀπὸ παντὸς π. ποιεῖσθαι” Pl.R.554a ; οὐ γὰρ εἰς π. ἐπράττετ᾽ αὐτοῖς τὰ τῆς πόλεως so as to bring them advantage, D.3.26; τῆς ἰδίας τρυφῆς εἵνεκα καὶ π. Id.21.159, cf. Plb.4.21.1 ; “στρατεία οὐ φέρει περιουσίαν” Men.382: pl., opp. τὰ ἀναγκαῖα, Isoc.11.15: with Preps., ἀπὸ περιουσίας with plenty of other resources, Th.5.103; πρὸς περιουσίαν, opp. πρὸς τὰς ἀναγκαίας χρείας, Plb.4.38.4: most freq. ἐκ π. out of the abundance (of their store), Pl.Tht.154e, etc.; “ἐκ π. χρῆσθαι” D.S.20.59 ; ἐκ π. ζῆν to live on one's own resources, Ath.4.168a; ἐκ π. κατηγορεῖν τινος at an advantage, D.18.3 ; also ξενοτροφεῖν ἐκ τῆς π. J.BJ1.2.5 ; τὰ ἐκ π. superfluities, opp. τὰ ἀναγκαῖα, Arist.Top. 118a6.