Pakistani language (4)
I believe the answer is:
urdu
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pakistani language</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for urdu that I've seen before include "Channel to north of Isle of Wight" , "Pakistani language" , "Analyse and develop (an idea) in detail" , "Sanskrit language" , "One of official languages of Pakistan" .)