ORD posting (3)
I believe the answer is:
eta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ord posting</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 eta that I've seen before include "when you can hope to receive it" , "when it might reach us?" , "letter from Greece?" , "character abroad?" , "European separatists, initially" .)