Japanese capital until 1868 (5)
I believe the answer is:
kyoto
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">japanese capital until 1868</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for kyoto that I've seen before include "Former Japanese capital city - Tokyo (anag)" , "Japanese capital before 1868" , "Japan's old capital" , "Japanese city of treaty on climate change" , "Old Japanese capital" .)