Strong's #1177: dekaduo (pronounced dek-ad-oo'-o)

from 1176 and 1417; two and ten, i.e. twelve:--twelve.

Thayer's Greek Lexicon:

́

dekaduo

1) twelve

Part of Speech: noun indeclinable

Relation: from G1176 and G1417

Usage:

This word is used 2 times:

 

Acts 19:7: "the men were about twelve."
Acts 24:11: "that there are yet but twelve days"