Retail establishment (4)
I believe the answer is:
shop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">retail establishment</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 shop that I've seen before include "Retail outlet" , "Store or boutique" , "Where goods are bought and sold" , "Betray - place selling things" , "Inform on (slang)" .)