devolve

(verb) pass on or delegate to another. Examples: "The representative devolved his duties to his aides while he was in the hospital."

(verb) be inherited by. Synonyms: fall, return, pass. Examples: "The estate fell to my sister." "The land returned to the family." "The estate devolved to an heir that everybody had assumed to be dead."

(verb) grow worse. Synonyms: deteriorate, drop, degenerate. Examples: "Her condition deteriorated." "Conditions in the slums degenerated." "The discussion devolved into a shouting match."