Money put in bank not long ago (8)
I believe the answer is:
recently
'not long ago' is the definition.
(I've seen this before)
'money put in bank' is the wordplay.
'money' becomes 'cent' (eg denomination of dollars).
'put in' is an insertion indicator.
'bank' becomes 'rely' (to bank on is to rely on).
'cent' put within 'rely' is 'RECENTLY'.
(Other definitions for recently that I've seen before include "Lately" , "Of late" , "In the near past" , "Not so long since" , "Adverb meaning not long ago" .)