Appearance; demeanour (4)
I believe the answer is:
mien
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">appearance</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">demeanour</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(mien is a kind of demeanour)</span><br/ ><br/ ></span>
(Other definitions for mien that I've seen before include "Person's bearing" , "A person's demeanour" , "Bearing, demeanour" , "aspect" , "attitude" .)