Chop, hack (3)
I believe the answer is:
hew
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">chop</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(to hew is to chop or cut down)</span><br/ ><br/ >'<span class="explanation-format__original">hack</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for hew that I've seen before include "Chop or cut with axe" , "'Cut, fell or shape (3)'" , "Shape wood, as with an axe" , "Cut with blows" , "Carve with axe" .)