Stačkus

This surn. the origin is not entirely clear. Perhaps stačk- with the suffix -k- is made from stač- (see Stačiùkas). Cf. still lit. stàčkis „stačiokas, užsispyrėlis“ (LKŽ XIII 623), stačkus „arklininkas, prajodinėtojas“ (ibid.). However, stačk- could also be from stašk- (see Stãškus).