Word Origin & History
balk
O.E. balca "ridge," from or influenced by O.N. balkr "ridge of land," especially between two plowed furrows, both from P.Gmc. *balkan-, *belkan- (cf. O.S. balko, Dan. bjelke, O.Fris. balka, Ger. Balken "beam, rafter"), from PIE *bhelg- "beam, plank" (cf. L. fulcire "to prop up, support," fulcrum "bedpost," Lith. balziena "cross-bar;" and possibly Gk. phalanx "trunk, log, line of battle"). Modern senses are figurative, either representing the balk as a hindrance or obstruction (e.g., of horses, "to stop short before an obstacle," recorded from 1481), or from the verb sense of "to miss or omit intentionally" (attested by 1484) as a lazy or incompetent plowman would in making balks. Baseball sense is first attested 1845.