Hit the ground (4)
I believe the answer is:
alit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hit the ground</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 alit that I've seen before include "Came down to earth" , "Settled" , "Climbed down from" , "got off" , "Landed" .)