Delved (3)
I believe the answer is:
dug
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">delved</span>' is the definition.<br/ ><span class="explanation-format__explanation">('dig' can be a synonym of 'delve')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dug that I've seen before include "Excavated" , "Delved; teat" , "Appreciated" , "Udder or teat" , "Used a spade" .)