The L of AWOL (5)
I believe the answer is:
leave
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the l of awol</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for leave that I've seen before include "Exit" , "Permission to do something" , "Permission - depart" , "Clearance" , "Break" .)