Quick Definition
μήν Disj.prt. certainly
Strong's Definition
a particle of affirmation (only with G2229 (ἦ)); assuredly
Derivation: a stronger form of G3303 (μέν);
KJV Usage: + surely
UBS Dictionary of the Greek New Testament
noun, m. | μηνός
67.174 · Time · Definite Units of Time: Year, Month, Week, Day, Hour
month a period of time measured by a complete cycle in the phases of the moon In a number of languages the equivalent of ‘month’ is simply ‘moon,’ so that one would translate this expression in LUK 1:24 as ‘she kept herself in seclusion for five moons.’
LUK 1:24 · LUK 1:26 · LUK 1:36 · LUK 1:56 · LUK 4:25 · ACT 7:20 · ACT 18:11 · ACT 19:8 · ACT 20:3 · ACT 28:11 · GAL 4:10 · JAS 5:17 · REV 9:5 · REV 9:10 · REV 9:15 · REV 11:2 · REV 13:5 · REV 22:2
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
μήν, gen. μηνός, 6, (w. Alex. ace. μῆναν, Rev. xxii. 2 Lehm.; on which form see reff. under ἄρσην, fin.); [fr. Hom. down]; 1. a month: Lk. i. 24, 26, 36,56; iv. 25; Acts vii. 20; xviii. 11; xix. 8; xx.3; xxviii. 11; Jas. v. 17: Rev.ix. 5,10, 153)-xi- 25) xin. δ᾽ ΧΙ 9. 2. the time of new moon, new moon, (barbarous Lat. novilunium; after the use of the Hebr. wan, which denotes both a ‘month’ and a ‘new moon,’ as in Num. xxviii. 11; xxix 1): Gal. iv. 10 [Bp. Lghtft. compares Is. Ixvi. 23] (the first day of each month, when the new moon appeared was a festival among the Hebrews; ef. Lev. xxiii. 24 Num. xxviii. 11; Ps. Ixxx. (ixxxi.) 4); [al. refer the passage to 1 (see Mey. ad loc.) ].
Mounce Concise Greek Dictionary
μήν mēn 18x
a month, Lk. 1:24, 26, 36, 56; in NT the new moon, the day of the new moon, Gal. 4:10
Abbott-Smith Greek Lexicon
μήν, a particle of assurance, verily, truly; εἰ (εἶ) μ. (= cl., ἦ μ. in LXX and π.), now verily, full surely: He 6:14(LXX).†
Moulton & Milligan — Vocabulary of the Greek NT
μήν. For μήν denoting a (lunar) month cf. P Amh II. 502° (B.C. 106) τόκους διδράχμους τῆς μνᾶς τὸν μῆνα ἕκαστον, “interest at the rate of two drachmae on the mina each month,” P Oxy II. 294° (A.D. 22) (= Selections, p. 34) ἐπὶ τῷ γεγονέναι ἐν ᾿Αλεξανδρίᾳ [tH . . τοῦ ὑπογε]γραμμένου μηνός, “on my arrival in Alexandria on the .. of the underneted month,” BGU III. 9754 (A.p. 45) (= Selections, Ρ. 42) μηνὸς Μεχὶρ πέμπτῃ καὶ εἰκάτῃ, ‘the twenty-fifth day of the month Mechir,” and the illiterate P Oxy XII. 1489§ (late iii/A.D.) τοῦ ἄλλο (7 -ου) μηνὸς ἐλεύσομε (1 —par), “J shall return in another month,” cf. ® εἰ δῖ, ἔρχομε τῷ ἄλλο μηνί (7. ἔρχομαι. . ἄλλῳ). Ina Ptolemaic ostracon, Μέϊ. Nic. p. 185 No. 127, we find κατὰ μῆναν (for form see Proleg. p. 49). The expression εἰς δύο μῆνας ἡμερῶν in P Strass I. 35° (iv/v A.D.) is said to be ‘‘ peculiar to the Egyptian speech ” (see the introd.). The parenthetic nominative in expressions of time (cf. Mt 1553, Mk 8°, Lk 928: Moulton Pro/eg. p. 69f.) is well illustrated by P Petr III. 36 (a) verso* (Ptol.) λιμῶι παραπολλύμενος μῆνές εἰσιν δέκα, “*perishing from hunger for the last ten months” (Edd.) : cf. BGU IIT. 948° (iv/v A.D.) γινώσκιν ἐ[θ]έλω ὅτι εἶπέν σοι ὃ πραγματευτ[ὴς ὅ]τι ἡ μήτηρ σου ἀσθενῖ, εἰδού, δέκα Tpis | μῆνες --ἃ curious parallel to Lk 13'® For the adj. μηνιαῖος cf. P Ryl IL. 206 (4)° (iii/a.D.) εἰς λόγον διαγραφῆς μηνιαίου Αθύρ, “on account of the monthly payments of Hathur,”’ and for ἐπιμήνια, ““ monthly supplies,” see P Oxy IIT. 53117 (ii/A.D.). MGr μῆνας, pl. μῆνες, pivot.
Liddell-Scott-Jones — Greek-English Lexicon
μήν (mēn) — certainly. μήν, Doric dialect [Refs 5th c.BC+], Aeolic dialect [Refs 7th c.BC+], and old Epic dialect μάν (in Hom.always followed by a vowel except [Refs 8th c.BC+] is followed by a consonant except in [Refs 8th c.BC+]; original μάν has probably been changed to μέν except when the metre prevented), a Particle used to strengthen asseverations, verily, truly; a synonym of μέν but stronger, and like it always following the word which begins the clause, ὧδε γὰρ ἐξερέω, καὶ μ. τετελεσμένον ἔσται and so verily.., [Refs 8th c.BC+]; ἴστε μὰν.. ye know doubtless, [Refs 5th c.BC+] on then, [Refs 8th c.BC+]
II. after other Particles,
II.1. ἦ μήν, now verily, full surely, ἦ μὴν καὶ πόνος ἐστίν [Refs 8th c.BC+]: strengthened, ἦ δὴ μάν [Refs 8th c.BC+]: frequently later in strong protestations or oaths, with infinitive, ὄμνυσι δ᾽ ἦ μὴν λαπάξειν [Refs 5th c.BC+]: in Prose also to begin an independent clause, ὀμνύω.., ἦ μ. ἐγὼ ἐθυόμην [Refs 5th c.BC+]
II.2. καὶ μήν, sometimes simply to add an asseveration, see entry [near the start],[Refs 5th c.BC+]: frequently to introduce something new or deserving special attention, καὶ μὴν Τάνταλον εἰσεῖδον [Refs 8th c.BC+]; especially in dramatic Poets to mark the entrance of a person on the stage, here comes.., [Refs 5th c.BC+], etc.; of new facts, and besides, nay more, καὶ μήν.. γε [Refs 5th c.BC+]; in Orators to introduce new arguments, καὶ μήν.. γε [Refs 5th c.BC+]; to introduce a counter-argument, [Refs 5th c.BC+] well, I allow it, [Refs 5th c.BC+]; μὴ νῦν διάτριβ᾽, ἀλλ᾽ ἄνυε πράττων.. Answ. καὶ μ. βαδίζω [Refs 5th c.BC+]
II.3. ἀλλὰ μήν, yet truly, [Refs 5th c.BC+]; to allege something not disputed, [Refs 5th c.BC+]; ἀλλ᾽ οὐδ᾽ ἐγὼ μ... [Refs 5th c.BC+]
II.4. ναὶ μήν, above all, [Refs 5th c.BC+]
II.5. οὐ μήν, of a truth not, [Refs 8th c.BC+]; μὴ μάν (Attic dialect μὴ μήν) oh do not, [Refs], etc.; ἀλλ᾽ οὐ μάν [Refs 5th c.BC+]
II.6. ὡς μήν, = {ἦ μήν}, ὀμμνύω Δία.. ὡς μ. κρινεῖν τὰ ἀντιλεγόμενα [Refs]
III. after interrogatives, τί μ.; well, what of it? [Refs 5th c.BC+]; τί μ. οὔ well, why not? [Refs 5th c.BC+]; τῶς μ.; well, but how.. ? [Refs 5th c.BC+]; to express surprise, [Refs 5th c.BC+]; ἀλλὰ πότε μή; [Refs 5th c.BC+]
IV. with adversative force, especially after a negative, so that it is equivalent to μέντοι, νῦν ἐμὲ μὲν στυγέει.., ἔσται μὰν ὅτ᾽ ἄν.. [Refs 8th c.BC+]; ἀνάγκη μὲν καὶ ταῦτ᾽ ἐπίστασθαι.., οὐδὲν μ. κωλύει κτλ. [Refs 5th c.BC+]; expressed more strongly by γε μ., [Refs 5th c.BC+]; οὐδὲ μ.[Refs]; οὐ μ. οὐδέ nor yet indeed, [Refs 8th c.BC+]