Word Summary
dyo: two
Original Word: δύο
Transliteration: dyo
Phonetic Spelling: (doo'-o)
Part of Speech: Adjective; Indeclinable Numeral (Adjective)
Short Definition: two
Meaning: two
Strong's Concordance
both, twain, two.

A primary numeral; "two" -- both, twain, two.

Thayer's Greek Lexicon
STRONGS NT 1417: δύο

δύο, genitive indeclinable δύο (as in Epic, and occasionally in Herodotus, Thucydides, Xenophon, Polybius, others for δυοιν, more common in Attic (see Rutherford, New Phryn., p. 289f)); dative δυσί, δυσίν (δυσί in Matthew 6:24; Luke 16:13; Acts 21:33 (Tr δυσίν), δυσίν in Matthew 22:40; Mark 16:12; Luke 12:52 (R G δυσί; Acts 12:6 (R G L δυσί); Hebrews 10:28; Revelation 11:3 (R G δυσί); cf. Tdf. Proleg., p. 98; WHs Appendix, p. 147) — a form not found in the older and better writings, met with in Hippocrates, Aristotle, Theophrastus, frequent from Polybius on, for the Attic δυοιν); accusative δύο (cf. Lob. ad Phryn., p. 210; Alexander Buttmann (1873) Ausf. Spr. i., p. 276f; Winers Grammar, § 9, 2 b.; Passow, i., p. 729); two: absolutely, οὐκ ἔτι εἰσί δύο, ἀλλά σάρξ μία, Matthew 19:6; Mark 10:8; δύο τρεῖς, Matthew 18:20; 1 Corinthians 14:29; τρεῖς ἐπί δυσί καί δύο ἐπί τρισί, Luke 12:52; ἀνά and κατά δύο, two by two (Winers Grammar, 398 (372); 401 (374); Buttmann, 30 (26)), Luke 9:3 (WH omits; Tr brackets ἀνά); (WH ἀνά δύο (δύο); cf. Acta Philip. § 36, Tdf. edition, p. 92); John 2:6 (apiece); 1 Corinthians 14:27; δύο δύο, two and two, Mark 6:7 (so, after the Hebrew, in Genesis 6:19, 20; but the phrase is not altogether foreign even to the Greek poets, as Aesehyl. Pers. 981 μύρια μύρια for κατά μυριάδας, cf. Winer's Grammar, 249 (234) (cf. 39 (38))); neuter εἰς δύο into two parts, Matthew 27:51; Mark 15:38; with the genitive δύο τῶν μαθητῶν (αὐτοῦ), Mark 11:1; Mark 14:13; Luke 19:29; (Matthew 11:2 R G); τῶν οἰκετῶν, Acts 10:7. δύο ἐξ αὐτῶν, Luke 24:13 (cf. Alexander Buttmann (1873) 158 (138); Winer's 203 (191)). with a noun or pronoun: δύο δαιμονιζόμενοι, Matthew 8:28. δύο μάχαιραι, Luke 22:38; ἐπί στόματος δύο μαρτύρων, Matthew 18:16; 2 Corinthians 13:1; δυσί κυρίοις, Matthew 6:24; Luke 16:13; εἶδε δύο ἀδελφούς, Matthew 4:18; preceded by the article, οἱ δύο, the two, the twain: Matthew 19:5; Mark 10:8; 1 Corinthians 6:16; Ephesians 5:31; τούς δύο, Ephesians 2:15; αἱ (Rec. only) δύο διαθῆκαι, Galatians 4:24; οὗτοι (Lachmann brackets οὗτοι) οἱ δύο υἱοί μου, Matthew 20:21; περί τῶν δύο ἀδελφῶν, Matthew 20:24; ἐν ταύταις ταῖς δυσίν ἐντολαῖς, Matthew 22:40; τούς δύο ἰχθύας, Matthew 14:19; Mark 6:41; Luke 9:16; δύο δηνάρια, Luke 10:35.