Greek prophetess (5)
I believe the answer is:
sibyl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">greek prophetess</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 sibyl that I've seen before include "One seeing future" , "Ancient Roman prophetess" , "Woman mouthpiece of a god, uttering prophecies" , "Charmer" , "Ancient seer - prophetess" .)