devolve (v.)
early 15c., "to roll down," from Latin devolvere "to roll down," from de- (see de-) + volvere "to roll" (see volvox). Figurative sense of "to cause to pass down" is from 1520s. Related: Devolved; devolving. Also in same sense was devolute (1530s), from Latin devolutus, past participle of devolvere.