Time to wear scarf from secret store (5)
I believe the answer is:
stash
'secret store' is the definition.
(I've seen this before)
'time to wear scarf' is the wordplay.
'time' becomes 't' (abbreviation).
'to wear' is an insertion indicator (to wear something is to be covered up by it).
'scarf' becomes 'sash' (I've seen this in another clue).
't' placed inside 'sash' is 'STASH'.
'from' is the link.
(Other definitions for stash that I've seen before include "Secret store (colloq.)" , "Hide in a secret place" , "Stow away" , "Treasure trove" , "Hide (something) away" .)