usury
noun /ˈjuːʒəri/
/ˈjuːʒəri/
[uncountable] (old-fashioned, disapproving)- the practice of lending money to people at unfairly high rates of interestWord OriginMiddle English: from Anglo-Norman French usurie, or from medieval Latin usuria, from Latin usura, from usus ‘a use’, from uti ‘to use’.