Mechanical routine (4)
I believe the answer is:
rote
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mechanical routine</span>' is the definition.<br/ ><span class="explanation-format__explanation">(as in learning by rote)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rote that I've seen before include "Unthinking repetition" , "Kind of memory - that tore it" , "mindless activity?" , "performance based solely on routine" , "Repetition for learners" .)