Hellenic (5)
I believe the answer is:
greek
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hellenic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that hellenic can be written as Greek)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for greek that I've seen before include "(Unknown?) European language" , "Athenian?" , "Person from Athens" , "A native of Athens" , "One from Salonika" .)