Your of yore (3)
I believe the answer is:
thy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">your of yore</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for thy that I've seen before include "Your (archaic)" , "Belonging to thee" , "Your, of old" .)