Opera set in ancient Egypt (4)
I believe the answer is:
aida
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">opera set in ancient egypt</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 aida that I've seen before include "Egyptian opera by 11 Down" , "She dies with Radams (Verdi)" , "Operatic lady" , "eponymous heroine" , "Verdi's opera set in ancient Egypt" .)