Flows out (8)
I believe the answer is:
emanates
'flows out' is the definition.
('emanate' can be a synonym of 'flow out')
This is the entire clue.
(Other definitions for emanates that I've seen before include "emerges" , "Proceeds or issues forth from a source" , "Comes forth" , "Issues from manatees" , "Proceeds from Ena's mate, oddly" .)