ὀμνύω (Mat_23:20; Mat_26:74; Heb_6:16; Jas_5:12; (Winer's Grammar, 24)) and ὄμνυμι (ὀμνύναι, Mar_14:71 G L T Tr WH (cf. B. 45 (39))) form their tenses from ὈΜΟΩ; hence, 1 aorist ὤμοσα; the Sept. for πΔωΐΡαΗΜς ; to swear; to affirm, promise, threaten, with an oath: absolutely, followed by direct discourse, Mat_26:74; Mar_14:71; Heb_7:21; followed by εἰ, Heb_3:11; Heb_4:3; see εἰ I. 5. ὀμνύειν ὅρκον (often so in Greek writings from Homer down (Winer's Grammar, 226 (212))) πρός τινα, to one (Homer, Odyssey 14, 331; 19, 288), Luk_1:73; ὀμνύειν with the dative of the person to whom one promises or threatens something with an oath: followed by direct discourse Mar_6:23; by an infinitive (Winer's Grammar, 331 (311)), Heb_3:18; with ὅρκῳ added, Act_2:30 (Winer's Grammar, 603 (561)); τίνι τί, Act_7:17 (Rec. i. e. genitive by attraction; cf. Buttmann, § 143, 8; Winer's Grammar, § 24, 1). that by which one swears is indicated by an accusative, τινα or τί (so in classical Greek from Homer down (cf. Winer's Grammar, § 32, 1 b. γ.; Buttmann, 147 (128))), in swearing to call a person or thing as witness, to invoke, swear by (Isa_65:16; Josephus, Antiquities 5, 1, 2; 7, 14, 5); τόν οὐρανόν, τήν γῆν, Jas_5:12; with prepositions (cf. Buttmann, as above): κατά τίνος (see κατά, I. 2 a.), Heb_6:13; Heb_6:16 (Gen_22:16; Gen_31:54; 1Sa_28:10 (Complutensian); Isa_45:23; Isa_62:8; Amo_4:2; Demosthenes, p. 553, 17; 553, 26 (others, ἐπομνύειν), etc.; κατά πάντων ὠμνυε θεῶν, Long. past. 4, 16); in imitation of the Hebrew πΔωΐΡαΗΜς followed by αΐΜ, ἐν τίνι is used (Winers Grammar, 389 (364); Buttmann, the passage cited; see ἐν, I. 8{b} ): Mat_5:34; Mat_5:36; Mat_23:16; Mat_23:18; Mat_23:20-22; Rev_10:6; εἰς εἰ, with the mind directed unto (Winers Grammar, 397 (371); Buttmann, as above; see εἰς, B. II. 2 a.), Mat_5:35. STRONGS NT 3660: ὁμόωὁμόω, see ὀμνύω.

ὀμνύω omnyō 26x to swear, Mat_5:34 ; to promise with an oath, Mar_6:23 ; Act_2:30 ; Act_7:17 swear.

ὀμνύω (so Hdt . and some Att. . writers) and ὄμνυμι (so generally in Att. . prose and always in Trag.; Mar_14:71 , -ύναι ), [in LXX chiefly for H7650 ni .;] to swear, affirm by oath: Mat_26:74 , Mar_14:71 , Heb_7:21 ; seq . εἰ (q.v), Heb_3:11 ; Heb_4:3 ; c. dat. pers ., Mar_6:23 ; id . c . inf ., Heb_3:18 ; seq . ὅρκῳ , Act_2:30 ; ὀ . ὅρκον , πρός , c . acc pers . ( cl .), Luk_1:73 ; c . acc (of that by which one swears; cl ., v. MM , xviii), Jas_5:12 ; seq . κατά , c . gen . ( LXX ; Bl., § 34, 1), Heb_6:13 ; Heb_6:16 ; seq . ἐν (εἰς ), as in Heb . (El., § 39, 4), Mat_5:34 ; Mat_5:36 ; Mat_23:16 ; Mat_23:18 ; Mat_23:20-22 Rev_10:6 (Bl., § 70, 3).† ὀμόω , see ὀμνύω .

ὄμνυμι / ὀμνύω [page 448] ὄμνυμι , ὀμνύω with the acc. of the person invoked (cf. Jas_5:12 ) is common, e.g. P Eleph 23 .8 (B.C. 223 2) ὁ̣̓μ̣ν̣υ̣ω̣ βασιλέα Πτολεμαῖον , P Par 47 .2 ( c. B.C. 153) (= Selections , p. 22), ὀμνύο τὸν Σαρᾶπιν , and P Oxy II. 239 .5 (A.D. 66) ὀμνύω Νέρωνα Κλαύδιον Καίσαρα . For the rare form ὄμνυμι cf. BGU II. 543 .2 (B.C. 28 7) ὄμνυμι Καίσαρα Αὐτοκράτορα θεοῦ υἱόν : see Mayser Gr. p. 351 f., and for the LXX usage Thackeray Gr. i. p. 279. The perf. is seen in PSI I. 64 .24 (i/B.C. ?) ὀμω̣μοκα τὸν προγεγραμμένον ὅρκον , and the perf. part, in ib. V. 513 .9 (B.C. 252 1) γέγραφεν ἡμῖν Τληπόλεμος προστεταχέναι τὸν βασιλέα τοὺς ἐν ἄλλοις τόποις ὀμωμοκ [ό ]τας διορθώσασθαι . Cf. P Tebt II. 293 .23 ( c. A.D. 187) ὤμοσα τὸν προκείμενον ὅρκον κ [α ]θὼς πρόκειται , and ib. .25 συνομόμεχα ( l. συνομώμοκα ) ὡς [π ]ρόκειται : also the legal formula ὀμνύω ἑκουσίως καὶ αὐθαιρέτως ἐγγυᾶσθαι in P Iand 30 .6 ff. (A.D. 105 or 106) (see the editor s note), P Grenf II. 62 .4 ff. (A.D. 211 ) al. , and P Magd 25 .7 (B.C. 211) εἰ δέ τι ἀντιλέγει , μὴ ὀφείλειν ὀμόσας μοι , ἀπολελύσθω , mais s il conteste sa dette et jure ne me rien devoir, qu il soil dιliι (Edd. : see the note). MGr ὀμώνω .

ὀμνύω (so Hdt. and some Att.. writers) and ὄμνυμι (so generally in Att.. prose and always in Trag.; Mrk.14:71, -ύναι), [in LXX chiefly for שָׁבַע ni. ;] to swear, affirm by oath: Mat.26:74, Mrk.14:71, Heb.7:21; before εἰ (q.v), Heb.3:11 4:3; with dative of person(s), Mrk.6:23; id. with inf., Heb.3:18; before ὅρκῳ, Act.2:30; ὀ. ὅρκον, πρός, with accusative of person(s) (cl.), Luk.1:73; with accusative (of that by which one swears; cl., see MM, xviii), Jas.5:12; before κατά, with genitive (LXX; Bl., § 34, 1), Heb.6:13, 16; before ἐν (εἰς), as in Heb. (El., § 39, 4), Mat.5:34, 36 23:16, 18 23:20-22 Rev.10:6 (Bl., § 70, 3).† (AS)