Austere; ancient Greek (7)
I believe the answer is:
spartan
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">austere</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that austere can be written as spartan)</span><br/ ><br/ >'<span class="explanation-format__original">ancient greek</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for spartan that I've seen before include "Resolute in the face of pain -- austere" , "Very strict - austere" , "Not comfortable" , "Austere, lacking comfort" , "Austere - like Lysander?" .)