Passage more to the left of empty closet (7)
I believe the answer is:
extract
'passage' is the definition.
(extract is a kind of passage)
'more to the left of empty closet' is the wordplay.
'more' becomes 'extra' (I've seen this before).
'to the left of' means one lot of letters go next to another.
'empty' means to remove the middle letters.
'closet' with its middle taken out is 'ct'.
'extra'+'ct'='EXTRACT'
(Other definitions for extract that I've seen before include "Withdraw - quotation" , "Passage taken from book etc" , "Lift from book" , "Clipping" , "bit" .)