πρίν
__1. as adv. of time, before, formerly (cl.; 3Ma.5:28 3Mac 6:4 3Mac 6:31)
__2. As conic. (cl.), before;
__(a) after a positive sentence, with accusative and inf.: Mat.26:34, 75, Mrk.14:72, Luk.22:61, Jhn.4:49 8:58 (where D. om. γενέσθαι and π. becomes prep. with genitive; see Bl., § 69, 7) Jhn.14:29, Act.2:20" (LXX), WH, txt.; πρὶν ἤ (not such good Attic in this construction; see Bl., l.with), Mat.1:18 Mrk.14:30, Act.2:20, WH, mg., Act.7:2;
__(b) after a negative sentence, πρὶν ἤ: a. subjc. (before ἄν, M, Pr., 169), Luk.2:26; with optative, Act.25:16.†
(AS)