περιποίησις
From LSJ
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
English (LSJ)
εως, ἡ,
A keeping safe, preservation, Pl.Def.415c, LXX 2 Ch.14.13(12), Ma.3.17, Ep.Hebr.10.39. 2 concrete, those who are saved, Ep.Eph.1.14. II gaining possession of, acquisition, 1 Ep.Thess.5.9, 2 Ep.Thess.2.14, PTeb. 317.26 (ii A. D.), Vett.Val.85.16, Just.Edict.13.15 ; procuring, A.D. Synt.294.9. 2 λαὸς εἰς περιποίησιν, = λ. περιούσιος, 1 Ep.Pet.2.9.
German (Pape)
[Seite 588] ἡ, das Erhalten, Erübrigen, Erwerben, N. T. u. a. Sp.