Mahershala of "Moonlight"
I believe the answer is:
'mahershala of moonlight' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ali that I've seen before include "Former boxing champion" , "Fourth caliph of Islam" , "Mohammad . . ., . . . Hewson" , "Ringmaster" , "US heavyweight boxer" .)