Strong's #5063: tessarakontaetes (pronounced tes-sar-ak-on-tah-et-ace')
from 5062 and 2094; of forty years of age:--(+ full, of) forty years (old).
Thayer's Greek Lexicon:
́
tessarakontaetēs
1) of forty years, forty years old
Part of Speech: adjective
Relation: from G5062 and G2094
Citing in TDNT: 8:135, 1172
Usage:
This word is used 2 times:
Acts 7:23: "when he was full forty years old, it came into his"
Acts 13:18: "And about the time of forty years suffered he their manners in the"