Strong’s Greek
G5051 — teleiotes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
τελειωτής
teleiotes — pronounced tel-i-o-tace'
from 5048; a completer, i.e. consummater:--finisher. see GREEK for 5048
1 occurrence in the KJV.
Hebrews 12:2
Looking unto Jesus the author and finisher of our faith; who for the joy that was set before him endured the cross, despising the shame, and is set down at the right hand of the throne of God.