Extended Strong's Greek Lexicon (Abbott-Smith based)
fourteen
Usage: δεκατέσσαρες, -ων, oἱ, αἱ, -α, τά [in LXX: Gen.31:41, Tob.8:19, al. ;] = cl. τεσσαρεσκαίδεκα, more frequently in later Gk. than the older form and in MGr. (for thirteen and upwards) universal, fourteen: Mat.1:17, 2Co.12:2, Gal.2:1 (cf. τεσσαρεσκαιδέκατος).† (AS)