devolve upon

12 LETTERS · STARTS WITH D

devolve upon is a valid 12-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2E1V4O1L1V4E1U1P3O1N1

2 + 1 + 4 + 1 + 1 + 4 + 1 + 0 + 1 + 3 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does devolve upon mean?