Judo grade (3)
I believe the answer is:
dan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">judo grade</span>' is the definition.<br/ ><span class="explanation-format__explanation">(ranking system in Judo)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dan that I've seen before include "Black-belt grade of proficiency" , "-- Dare, comic hero" , "Tribe" , "Level of competence in judo" , "Man's name; judo grade" .)