devolve (verb) – to pass on or down; to delegate authority or duty to a successor
BREAKDOWN: DE- (down) + VOLV- (roll)
— devolvement is the act of delegating authority
— devolution is the process of passing down through successive stages
This word is built on the root VOL-, which means to turn over or to roll.
Common VOL- words include evolve, evolution, and revolve.
More esoteric VOL- words include devolvement and volute.