Word of woe (4)
I believe the answer is:
alas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">word of woe</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 alas that I've seen before include "woebegone expression" , "Sad expression" , "Archaic exclamation of sorrow or regret" , "Sadly, unfortunately" , "By bad luck" .)