de·volve /di-'vȯlv, -'välv/ vi de·volved, de·volv·ing [Medieval Latin devolvi, passive of devolvere to roll down, from Latin, from de down, away + volvere to roll]
1: to pass by transfer or succession
the estate devolved to a distant cousin
2: to fall or be passed usu. as an obligation or responsibility
in case of the removal of the President from office, or of his...inability to discharge the powers and duties of the said office, the same shall devolve on the Vice President — U.S. Constitution art. II
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.