ἐπί (before a smooth breathing ἐπ᾽, before a rough breathing ἐφ᾽), prep. with genitive, dative, accusative (accusative most frequently in NT), with primary sense of superposition, on, upon. I. C. genitive, 1. of place, answering the question, where? (a) of the place on which, on, upon: ἐπὶ (τ.) γῆς, Mt 6,10.19, al.; τ. κεφαλῆς, 1 Kor 11,10 τ. νεφελῶν, Mt 24,3o, al.; like ἐν, in constr. praegn. after verbs of motion: βάλλειν, Mk 4,26 σπείρειν, ib. 31; ἔρχεσθαι, Hbr 6,7, al.; figuratively, ἐπ᾽ ἀληθείας (MM, see word ἀ.); of the subject of thought or speech, Ga 3,16 of power or authority, over, πάντων, Rom.9:5: τ. γάζης, Dz 8,27 ἐξουσία, Ap 2,26; 20,6; (b) of vicinity, at, by: τ. θαλάσσης, J 6,9 τ. ὁδοῦ, Mt 21,19 τοῦ βάτου, Mk 12,26 (see Swete, in l.); with genitive of person(s), in the presence of, before, Mt 28,14, Dz 23,30, 1 Kor 6,1, al. 2. Of time, (a) with genitive of person(s), in the time of: ἐπὶ Ἐλισαίου, Łk 4,27 ἐπὶ Κλαυδίου, Dz 11,28 ἐπὶ Ἀβιάθαρ ἀρχιερέως, when A. was high priest, Mk 2,26 (b) with genitive of thing(s), at, at the time of: Mt 1,11, Hbr 1,2, 2 P 3,3; ἐπὶ τ. προσευχῶν, Rz 1,10, Ef 1,16, 1 Tes 1,2, Phm 4. II. C. dative, of place, answering the question, where? (a) lit., on, upon: Mt 9,16; 14,8, al.; after verbs of motion (see supr., I, 1, (a)), Mt 9,16 Dz 8,16; above, Łk 23,38 at, by, Mk 13,29, J 5,2, Dz 5,9, al.; (b) metaphorically, upon, on the ground of, Łk 4,4 (LXX); in the matter of, Mk 6,52 (see Swete, in l.); upon, of, concerning, Dz 5,35.40; of the ground, reason or motive (Bl., §38, 2; 43, 3), Mt 18,3; 19,9, Rz 12,12, al.; ἐφ᾽ ᾧ, for the reason that, because, Rz 5,12 2 Kor 5,4; after verbs of motion, over, Mt 18,13, Rz 16,19, al.; of a condition (cl.), Rz 8,20, 1 Kor 9,10; ἐπὶ δυσὶ μάρτυσιν (see Westc. on Hbr 9,10), Hbr 10,28; of purpose or aim, Ef 2,10, Flp 4,10; of authority, over, Mt 24,47 Łk 12,44; of hostility, with dative of person(s) (cl.), against, Łk 12,52 in addition to (cl.), 2 Kor 7,13 of an adjunct, in, at, on, Flp 1,3; 2,17. III. C. accusative, 1. of place of motion upon or over, answering the question, whither? (a) lit., upon, over: Mt 14,28.29, Łk 5,19, al. mult.; in NT also, answering the question, where? (as with genitive, dative), Mk 4,38; 11,2, Łk 2,25, J 1,32; ἐπὶ τ. αὐτό, Dz 1,15; 2,1, al.; of motion to a vicinity, to, Mk 16,2, Dz 8,36, al.; (b) metaphorically (in wh. "the accusative is more widely prevalent than it strictly should be," Bl., §43, 1); of blessings, evils, etc., coming upon one, with accusative of person(s), Mt 10,13; 12,28, Dz 2,17, J 18,4, Ef 5,6, al.; of addition (dative in cl.), λύπη ἐπὶ λύπην, Flp 2,27 ἐπικαλεῖν ὄνομα ἐπί (see: ἐπικαλέω), Dz 15,17, Jk 2,7; καλεῖν ἐπί, to call after, Łk 1,59 of number or degree: ἐπὶ τρίς (cl. εἰς τ.), thrice, Dz 10,16; 11,10; ἐπὶ πλεῖον, the more, further, Dz 4,17 2 Tm 2,16; 3,9 (see also infr., 2, (a)); ἐφ᾽ ὅσον (see infr., ib.), forasmuch as, Mt 25,40.45, Rz 11,13; of power, authority, control, Łk 1,33, Dz 7,10 Rz 5,14, Hbr 3,6, al.; of the direction of thoughts and feelings, unto, towards, Łk 1,17; 23,28, Dz 9,35.42, Rz 11,22, Ga 4,9, Ef 2,7, 1 Tm 5,5, al.; of purpose, for, Mt 3,7, Łk 23,48; ἐφ᾽ ὅ πάρει (Rec. ἐφ᾽ ᾧ, Mt 26,50 of hostility, against, Mt 24,7, Mk 3,24-26; 10,11; 13,8, Łk 9,5, J 13,18, Dz 7,54, 1 Kor 7,36, 2 Kor 1,23; Of reference, concerning, for (cl. usually dative), Mk 9,12; 15,24, J 19,24, Rz 4,9. 2. Of time, (a) during, for: Łk 4,25 (WH, txt., omits ἐπί), Dz 13,31; 16,18, Hbr 11,30, al.; ἐφ᾽ ὅσον (χρόνον), as long as, for so long time as, Mk 9,15 Rz 7,1, al. (for ἐφ᾽ ὅ in another sense, see supr., 1, (b)); ἐφ᾽ ἱκανόν (see: ἱ), Dz 20,11 ἐπὶ πλεῖον (see supr., 1, (b)), yet longer, further, Dz 20,9; 24,4; (b) on, about, towards (cl. εἰς): Łk 10,35 Dz 3,1; 4,5. IV. In composition, ἐπί signifies: up, ἐπαίρω; upon, ἐπίγειος, ἐπιδημέω, ὠπικαθίζω; towards, επιβλέπω, ὠπεκτείνω; over (of superintendence), ἐπιστάτης; again, in addition, ἐπαιτέω; against, ἐπιορκέω, ἐπιβουλή. (AS)