OT high priest (3)
I believe the answer is:
eli
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ot high priest</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for eli that I've seen before include "Priest at Shiloh (Samuel)" , "- Wallach, US actor" , "Shiloh priest (Bible)" , "Samuel's teacher (OT)" , "Biblical high priest" .)