The stuff of legends (4)
I believe the answer is:
lore
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the stuff of legends</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lore that I've seen before include "Role for body of traditions" , "Ancient learning" , "Traditional belief" , "Traditional knowledge" , "Folk knowledge" .)