Strong’s Greek
G840 — austeros
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
αὐστηρός
austeros — pronounced ow-stay-ros'
from a (presumed) derivative of the same as 109 (meaning blown); rough (properly as a gale), i.e. (figuratively) severe:--austere. see GREEK for 109
2 occurrences in the KJV.
Luke 19:21
For I feared thee, because thou art an austere man: thou takest up that thou layedst not down, and reapest that thou didst not sow.
Luke 19:22
And he saith unto him, Out of thine own mouth will I judge thee, thou wicked servant. Thou knewest that I was an austere man, taking up that I laid not down, and reaping that I did not sow: