Jewish vernacular language (7)
I believe the answer is:
yiddish
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jewish vernacular language</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for yiddish that I've seen before include "Language used by European Jews" , "I did shy away from Jewish language" , "Hebrew language" , "European Jewish vernacular" , "German-based Jewish language" .)