Frozen dew (5)
I believe the answer is:
frost
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frozen dew</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for frost that I've seen before include "Coldness of manner" , "Icy deposit" , "Icy condensation" , "Chilly feeling" , "Ice crystals forming a white deposit" .)