Come to earth (4)
I believe the answer is:
land
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">come to earth</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 land that I've seen before include "Come down; territory" , "part of surface" , "Country, state" , "Part of Germany" , "Gain" .)