Daughter of Leda (5)
I believe the answer is:
helen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">daughter of leda</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for helen that I've seen before include "Trojan war beauty" , "the Parisian woman?" , "Girl" , "femme fatale" , ""The face the launched 1,000 ships"" .)