Abbott-Smith Manual Greek Lexicon
αὐστηρός (G840)
2 ** αὐστηρός , -ά, -όν ( αὔω , to dry up ), [in LXX: II Mac 14:30 *;] prop., stringent , harsh to the taste. Metaph., in Inscr., of a rough country; of disposition and manners, strict , severe (as in π. , of an inspector; MM, s v): Lk 19:21 , 22 .† SYN. : σκληρός (Tr., § xiv).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain