Strong's Greek Concordance

G1177: δεκαδύο

dekadýo · “twelve”

Definition

two and ten, i.e. twelve

KJV translates it as: twelve

Word origin: from G1176 (δέκα) and G1417 (δύο);

Extended definition

δεκα-δύω, Rec. for δώδεκα Act.19:7 24:11.†
(AS)

Abbott-Smith Manual Greek Lexicon (1922) via STEPBible TBESG (CC BY 4.0).