Native of Brittany (6)
I believe the answer is:
breton
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">native of brittany</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 breton that I've seen before include "Cooked with cheese and/or breadcrumbs on top" , "Inhabitant of northwest France" , "from Northern France" , "One from Brest" , "French Celtic language" .)