Jealousy, begrudgery (4)
I believe the answer is:
envy
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">jealousy</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(jealousy is an envious feeling)</span><br/ ><br/ >'<span class="explanation-format__original">begrudgery</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for envy that I've seen before include "Feeling of grudging admiration" , "Green-eyed feeling" , "One of 7 vices" , "Desire of another's property etc" , "Deadly sin; sounds like two letters" .)