Priam's domain (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">priam's domain</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 troy that I've seen before include "Ancient city in Asia Minor" , "Weight system - old city" , "Iliad siege city" , "Ancient city besieged to free beautiful Helen" , "System of weights introduced by French" .)