Greek monetary unit (7)
I believe the answer is:
drachma
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">greek monetary unit</span>' is the definition.<br/ ><span class="explanation-format__explanation">(drachma is a kind of greek monetary unit)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for drachma that I've seen before include "Old Greek settler" , "ready" , "Old Greek currency" , "money in the past" , "Money no longer available" .)