Milan football club (5)
I believe the answer is:
inter
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">milan football club</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 inter that I've seen before include "Prefix meaning between or among" , "Put into the ground" , "team from Italy" , "promoting cessation" , "Bury - Milan football club" .)