Routine task (5)
I believe the answer is:
chore
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">routine task</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for chore that I've seen before include "Stream's murmuring" , "unwelcome task" , "easy option? Not so!" , "A household or routine task" , "Household job" .)