Tax or levy (5)
I believe the answer is:
tithe
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">tax</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">levy</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(tithe is a kind of levy)</span><br/ ><br/ >'<span class="explanation-format__original">or</span>' acts as a link.<br/ ></span>
(Other definitions for tithe that I've seen before include "Church payment" , "Offering" , "Source of church revenue" , "Former church tax" , "Tax paid to church" .)