Greek Minerva (6)
I believe the answer is:
athena
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">greek minerva</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for athena that I've seen before include "wise but fierce goddess" , "Greek goddess of a capital city" , "One-time goddess" , "Greek goddess of wisdom etc." .)