Blood of the Greek gods (5)
I believe the answer is:
ichor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blood of the greek gods</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 ichor that I've seen before include "bloodlike fluid?" , "Fluid in divine veins" , ""Blood" of Greek gods" , "discharge through wounds" , "bloody stuff" .)