ἤ

a disjunctive conjunction (cf. Winer's Grammar, § 53, 6). Used
1. to distinguish things or thoughts which either mutually exclude each other, or one of which can take the place of the other: or (Latinaut,vel);
a. to distinguish one thing from another in words of the same construction: Mt 5:17 (τόν νόμον ἤ τούς προφήτας), Mt 5:36 (λευκήν ἤ μέλαιναν); Mt 6:31; Mt 7:16; Mk 6:56; Mk 7:11; Lk 2:24; Lk 9:25; Jn 7:48; Jn 13:29; Acts 1:7; Acts 3:12; Acts 4:7; Rom 1:21; Rom 3:1; 1 Cor 4:3; 1 Cor 5:10; 1 Cor 10:19; Gal 1:10, etc.
b. after an interrogative or a declarative sentence, before a question designed to prove the same thing in another way: Mt 7:4, Mt 7:9; Mt 12:29; Mt 16:26; Mt 26:53; Mk 8:37; Lk 13:4; Lk 14:31; Lk 15:8; Rom 9:21; Rom 14:10; 1 Cor 6:16.
c. before a sentence contrary to the one just preceding, to indicate that if one be denied or refuted the other must stand: Mt 20:15 (i. e. or, if thou wilt not grant this, is thine eye etc.); Rom 3:29; 1 Cor 9:6; 1 Cor 10:22; 1 Cor 11:14 (Rec.); ; 2 Cor 11:7; ἤ ἀγνοεῖτε etc., Rom 6:3; Rom 7:1 (cf. Rom 6:14); ἤ οὐκ ὀικατε etc., Rom 11:2; 1 Cor 6:9, 1 Cor 6:16, 1 Cor 6:19.
d. ἤ... ἤ, either... or, Mt 6:24; Mt 12:33; Lk 16:13; Acts 24:20; 1 Cor 14:6.
2. in a disjunctive question it corresponds to the Latinan afterutrum;
a. preceded by πότερον, Jn 7:17; cf. Klotz ad Dev. 2:2, p. 574f; preceded by the interrogative μή, 1 Cor 9:8; preceded by μήτι, 2 Cor 1:17.
b. without an intertog. particle in the first member of the interrogation: τί ἐστι εὐκοπώτερον, εἰπεῖν... ἤ εἰπεῖν, Mt 9:5; Mk 2:9; Lk 5:23; add, Mt 21:25; Mt 23:17, Mt 23:19; Mt 27:17; Mk 3:4; Lk 7:19; Acts 8:34.
c. ἤ... ἤ... ἤ, Mk 13:35.
3. as a comparative conjunction, than;
a. after comparatives: Mt 10:15; Mt 11:22; Lk 9:13; Lk 16:17; Jn 3:19; Jn 4:1 (Tr marginal reading omits; WH brackets ἤ); Acts 4:19; Rom 13:11, and often. ἤ is lacking after πλείους followed by a noun of Mt 26:53 T Tr WH; Acts 4:22; Acts 23:13, Acts 23:21; Acts 24:11 (where Rec. adds ἤ); cf. Matthiae, § 455 note 4; Kühner, ii., p. 847; (Jelf, § 780 Obs. 1); Winers Grammar, 595 (554); (Buttmann, 168 (146)); Lob. ad Phryn., p. 410f.
b. after ἕτερον: Acts 17:21.
c. πρίν ἤ, before that, before, followed by accusative with an infinitive (cf. Buttmann, § 139, 35; Winer's Grammar, § 44, 6, also, p. 297 (279)): Mt 1:18; Mk 14:30; Acts 2:20 R G WH marginal reading; Acts 7:2; followed by the aorist subjunc, Lk 2:26 Tr text omits; WH brackets ἤ; R G (others ἕως); followed by present optative, Acts 25:16.
d. after θέλω equivalent to to prefer: 1 Cor 14:19 (followed by ἤπερ, 2 Macc. 14:42); examples from Greek authors are given in Klotz ad Devar. 2:2, p. 589f; Winers Grammar, § 35, 2 c.; (Buttmann, § 149, 7); Kühner, ii., p. 841; (Jelf, § 779 Obs. 3).
e. after οὐ: Jn 13:10 R G, where after οὐ χρείαν ἔχει the sentence goes on as though the writer had said οὐκ ἄλλου τίνος χρείαν ἔχει, (cf. Winers Grammar, 508 (478)).
f. after positive notions, to which in this way a comparative force is given: after καλόν ἐστι (it is good... rather than) equivalent to it is better, Mt 18:8; Mk 9:43, Mk 9:45, Mk 9:47; cf. Menander's saying καλόν τό μή ζῆν, ἤ ζῆν ἀθλιως, and Plautus rud. 4, 4, 70 tacita mulier est bona semper, quam loquens; similar examples in the O. T. are Gen 49:12; Psalm 117:8; Jon 4:3, Jon 4:8; Tobit 6:13 Tobit 12:8; Sir. 20:25 Sir. 22:15; 4 Macc. 9:1; also after λυσιτελεῖ (it is gain... rather than) equivalent to it is better (Tobit 3:6), Lk 17:2; after χαρά ἐστι (there will be joy... more than), Lk 15:7; see examples from Greek authors in Alexander Buttmann (1873) Gram. § 149, 7; (Buttmann, p. 360 (309)); Winer, Kühner, others, as above.
4. with other particles;
a. ἀλλ' ἤ, see ἀλλά, I. 10, p. 28a.
b. ἤ γάρ, see γάρ, I. at the end c. ἤ καί (cf. Winer's Grammar, § 53, 6 note), α. or even, or also (Latinautetiam,veletiam): (Mt 7:10 L T Tr WH); Lk 11:11 G L T Tr WH; Lk 11:12; Lk 18:11; Rom 2:15; 1 Cor 16:6; 2 Cor 1:13. β. or also (Latinanetiam) (in a disjunctive question): Lk 12:41; Rom 4:9.
d. ἤπερ, than at all (Latinquamforte; German alsetwa), after a comparitive (cf. Jelf, § 779 Obs. 5): Jn 12:43 (L ἤ περ, WH marginal reading ὑπέρ) (2 Macc. 14:42; Homer, Hesiod).
e. ἤτοι... ἤ, either indeed (cf. Kühner, § 540, 5)... or: Rom 6:16 (Wis. 11:19; Herodotus and following).