Excessive interest (5)
I believe the answer is:
usury
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">excessive interest</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 usury that I've seen before include "Taking excessive interest" , "Taking a lot of interest" , "Shylock's calling" , "Lending money at excessive rates of interest" , "The lending of money at high rates" .)