Opposite of 'begin' (3)
I believe the answer is:
end
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">opposite of begin</span>' is the definition.<br/ ><span class="explanation-format__explanation">('end' is the opposite to 'begin')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for end that I've seen before include "Closure" , "Fine" , "Final part" , "Objective or conclusion" , "Bring to a conclusion" .)