c.1300, "hardship, adversity, force, pressure," in part a shortening of Middle French destresse (see distress), in part from Old French estrece "narrowness, oppression," from Vulgar Latin *strictia, from Latin strictus "compressed," past participle of stringere "draw tight" (see strain (v.)). The purely psychological sense is attested from 1942.
c.1300, "to subject (someone) to force or compulsion," from the source of stress (n.). The figurative meaning "put emphasis on" is first recorded 1896, from notion of laying pressure on something by relying on it. Related: Stressed; stressing.