Stop from happening (7)
I believe the answer is:
prevent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stop from happening</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 prevent that I've seen before include "Stop from happening" , "Keep from happening" , "Avert, hinder" , "Stop, hinder" , "Stop (an action)" .)