Act of lending (4)
I believe the answer is:
loan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">act of lending</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for loan that I've seen before include "Something borrowed" , "It's given but has to be returned" , "Overdraft" , "Advance (money)" , "Advance, borrowing" .)