Brewing, in the wind (5)
I believe the answer is:
afoot
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">brewing</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">in the wind</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for afoot that I've seen before include "Progressing, in operation - like Sherlock Holmes's game" , "Going on" , "Brewing" , "in the air" , "Under way (like hunted game?)" .)