Muse of erotic poetry (5)
I believe the answer is:
erato
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">muse of erotic poetry</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for erato that I've seen before include "goddess" , "Greek muse of lyric and love poetry" , "daughter of Zeus" , "Clio's sister" , "Muse of lyric poetry and mime" .)