Keanu in "The Matrix" (3)
I believe the answer is:
neo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">keanu in the matrix</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for neo that I've seen before include "New (suffix)" , "Prefix meaning new or recent" , "Prefix meaning new, maybe one" , "Prefix meaning new - try one" , "Prefix meaning new of modern form of" .)