Библейское слово «τρεῖς» в греческих словарях

τρεῖς οἱ, αἱ, τρία τά (gen. τριῶν, dat. τρισί) три, трое Hom. etc.: τρία ἔπεα Pind. три слова, т._е. сказанное в добрый час (три считалось счастливым числом).

τρεῖς, οἱ, αἱ, τρία, τά
three: Mat.12:40, al.; μετὰ τ. ἡμέρας = τῇ τρίτῃ ἡ., Mrk.10:34, al. (cf. Field, Notes, 11 ff.)
Τρεῖς Ταβέρναι
(see: ταβέρνη),
Three Taverns (Lit. Tres Tabernae) a halting place on the Appian Way: Act.28:15 (see DB, iv, 690).†
(AS) Источник: STEPBible.org (Tyndale House, Cambridge), CC BY 4.0

τρεῖς, οἱ, αἱ, τρία, τά:
genitive τριῶν: dative τρισί, also τριοῖσι [Refs 6th c.BC+]; Aeolic dialect τρίσσι [Refs] (written τρες [Refs]: Doric dialect nominative τρέες [Refs]; τρῖς [Refs 4th c.BC+]; τρῖς [Refs 6th c.BC+]:—three, [Refs 8th c.BC+]; τρία ἔπεα three words, proverbial in [Refs 5th c.BC+]—for from the earliest times three was a sacred and lucky number, especially with the Pythagoreans (compare τριάς), [Refs 5th c.BC+]; εἰ καὶ τῶν τριῶν ἓν οἴσομαι[Refs] —διὰ τριῶν ἀπόλλυμαι I am thrice, i. e. utterly, undone, [Refs 5th c.BC+]; ἡ διὰ τριῶν ἀγωγή the 'trivium', [Refs 6th c.AD+]by threes, [Refs 5th c.BC+] stem tr[icaron]-, fuller form trey-, nominative tréy-es (Sanskrit tráyas, Latin tres), whence τρέες, contraction τρῆς and τρεῖς (written τρες [Refs]; accusative tri-ns (Gothic prins, Sanskrit tr[imacracute]n), whence τρῖς and τρίιν; in Gr. the nominative τρεῖς functions as accusative (as in Attic dialect), or the accusative τρῖς as nominative ([same places]).) Источник: STEPBible.org (Tyndale House, Cambridge), CC BY 4.0