Little to search following end of tumult (6)
I believe the answer is:
trifle
'little' is the definition.
(thesaurus)
'search following end of tumult' is the wordplay.
'search' becomes 'rifle' (I've seen this before).
'following' is a charade indicator (letters next to each other).
'end of' indicates one should take the final letters.
The last letter of 'tumult' is 't'.
'rifle' put after 't' is 'TRIFLE'.
'to' acts as a link.
(Other definitions for trifle that I've seen before include "Insignificant thing" , "A bit" , "Filter (anag.)" , "Insignificant item - dessert" , "A mere dessert?" .)