Strong's G5050 — τελείωσις (noun)
teleiosis (tel-ei'-o-sis) n.
1. (the act) completion
2. (of prophecy) verification
3. (of expiation) absolution
[from G5448]
KJV: perfection, performance 
Root(s): G5448 
Hebrew root: φυσιόω
Occurrences: 2