εως (ἡ) :
      1 action de sauver d’un danger, conservation, PLAT. Def. 415 c ; SPT. 2Par. 14, 13 ; NT. Hebr. 10, 39 ;
      2 acquisition, NT. 1Thess. 5, 9 ; 2, 2 et 14 ; d’où possession, NT. 1Petr. 2, 9.

Étym. περιποιέω.

εως, ἡ, keeping safe, preservation, Pl. Def. 415c, LXX 2 Ch. 14.13 (12), Ma. 3.17, Ep. Hebr. 10.39. concrete, those who are saved, Ep. Eph. 1.14.
gaining possession of, acquisition, 1 Ep. Thess. 5.9, 2 Ep. Thess. 2.14, PTeb. 317.26 (ii AD), Vett.Val. 85.16, Just. Edict. 13.15 ; procuring, A.D. Synt. 294.9. λαὸς εἰς περιποίησιν, = λ. περιούσιος, 1 Ep. Pet. 2.9.

ἡ, das Erhalten, Erübrigen, Erwerben, NT u. a.Sp.

περι-ποίησις, -εως, ἡ
(< περιποιέω), [in LXX: 2Ch.4:13 (12) (מִחְיָה) Mal.3:17 (סְגֻלָּה), Hag.2:10 (9) * ;]
__1. preservation: Heb.10:39 (2 Ch, l.with).
__2. acquisition, obtaining: 1Th.5:9, 2Th.2:14 (and so perh. Eph.1:14, see infr.).
__3. a possession: Eph.1:14 (but see supr., and cf. ICC, in l), 1Pe.2:9 (LXX).†
(AS)