Regular tendency or practice (5)
I believe the answer is:
habit
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">regular tendency</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">practice</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(habit is a kind of practice)</span><br/ ><br/ ></span>
(Other definitions for habit that I've seen before include "Custom, wont" , "can cause addiction" , "nun gets into" , "Usual practice; garment" , "Monk's robe or repetitive action" .)