Ancient Roman robe (4)
I believe the answer is:
toga
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ancient roman robe</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 toga that I've seen before include "Old Roman gown" , "Roman clothing" , "Cloak of ancient Rome" , "Graph's y value" , "draped cloth" .)