Strong’s Greek
G5289 — hupostole
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὑποστολή
hupostole — pronounced hoop-os-tol-ay'
from 5288; shrinkage (timidity), i.e. (by implication) apostasy:--draw back. see GREEK for 5288
1 occurrence in the KJV.
Hebrews 10:39
But we are not of them who draw back unto perdition; but of them that believe to the saving of the soul.