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.
〔李〕[de-=down下；volv=to roll滚，转；-e→] v. ① roll down or flow down滚下；流下② hand down;pass over in succession转移；移交