Strong's #840: 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.

Thayer's Greek Lexicon:

̓́

austēros

1) of mind and manners: harsh, rough, rigid

Part of Speech: adjective

Relation: from a (presumed) derivative of the same as G109 (meaning blown)

Usage:

This word is used 2 times:

 

Luke 19:21: "thee, because thou art an austere man: thou takest up that thou laidst not down,"
Luke 19:22: "that I was an austere man, taking up that I laid not down,"