Elapsed (4,2)
'elapsed' is the definition.
('pass' can be a synonym of 'elapse')
This is the entire clue.
(Other definitions for passed that I've seen before include "Handed on; went by" , "Was successful" , "Examined and declared satisfactory" , "Overtook and moved ahead" , "Got a good grade" .)
'elapsed' is the definition.
(I've seen this in another clue)
This is all the clue.