Strong's G5063 — τεσσαρακονταετής (adjective)
tessarakontaetes (tes-sar-ak-on-tah-et-ace') adj.
1. of forty years of age
[from G5062 and G2094]
KJV: (+ full, of) forty years (old) 
Root(s): G5062, G2094 
Hebrew root: ἔτος
Occurrences: 2