Aurora's Greek counterpart (3)
I believe the answer is:
eos
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">aurora's greek counterpart</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 eos that I've seen before include "Greek god of the dawn" , "Greek dawn goddess" .)