Quick Definition
fifteen
Strong's Definition
ten and five, i.e. fifteen
Derivation: from G1176 (δέκα) and G4002 (πέντε);
KJV Usage: fifteen
Thayer's Greek Lexicon
δεκαπέντε, for the earlier πεντεκαίδεκα, fifteen: Joh_11:18; Act_27:28; Gal_1:18; (Gen_7:20 Ald., Complutensian; Exo_27:15; 1Ma_10:40; Polybius 3, 56, 3 var.; Diodorus 2, 13; Plutarch, Dion 38, 1; others; cf. δεκαδύο).
Mounce Concise Greek Dictionary
δεκαπέντε dekapente 3x
fifteen, indecl., Joh_11:18 ; Act_27:28 ; Gal_1:18
Abbott-Smith Greek Lexicon
† δεκα -πέντε ,
[in LXX : Exo_27:15 , 1Ma_10:40 , al. ;]
late form of πεντεκαίδεκα , fifteen : Joh_11:18 , Act_27:5 , WH , mg ., Act_27:28 , Gal_1:18 .†
Moulton & Milligan — Vocabulary of the Greek NT
δεκάπεντε [page 140]
δεκάπεντε for the earlier πεντεκαίδεκα is common P Tebt I. 111 .6 (B.C. 116) πυρῶν ἀρτάβας δέκα πέντε , P Grenf I. 41 .4 (ii/B.C.) τάλαντα δεκάπεντε , ib. II. 38 .8 (B.C. 81) κα ]λάμων γραφικῶν δεκάπεντε , P Oxy IV. 742 .14 (B.C. 2) τὴν χιλίαν δέσμην (δραχμῶν ) δ̣[εκάπ ]̣ε̣ν̣τε . See under δεκαέξ .
STEPBible — Tyndale Abridged Greek Lexicon
δεκα-πέντε
[in LXX: Exo.27:15, 1Ma.10:40, al. ;]
late form of πεντεκαίδεκα, fifteen: Jhn.11:18, Act.27:5, WH, mg., ib. 28, Gal.1:18.†
(AS)