ἀφ-ορίζω
[in LXX (Cremer, 805 f.) for בָּדַל hi., סָגַר hi., נוּף hi., רוּם hi etc. ;]
__(a) to mark off by boundaries from, separate from: with accusative, Act.19:9, Gal.2:12; id. before ἐκ (ἀπό), Mat.13:49 25:32 (MM, see word); of excommunication, Luk.6:22. Pass., absol., 2Co.6:17;
__(b) to set apart, devote to a special purpose (before εἰς): with accusative, Gal.1:15. Mid., Act.13:2, Rom.1:1 (DB, iii 588).†
(AS)