Repeated phrase (6)
I believe the answer is:
mantra
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">repeated phrase</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mantra that I've seen before include "Vedic hymn; slogan frequently repeated" , "Buddhist aid to concentration" , "Powerful words" , "Word repeated as aid to concentration during meditation" , "it's said to aid concentration" .)