Dig like a pig (4)
I believe the answer is:
root
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dig like a pig</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 root that I've seen before include "Tuber" , "Organ that anchors plants in the ground" , "burrow" , "support" , "cheer" .)