Egypt's capital (5)
I believe the answer is:
cairo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">egypt's capital</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cairo that I've seen before include "Capital city on the Nile" , "Al Qahira" , "City near the Nile delta" , "African city" , "Capital of Egypt" .)