Pre-Christmas season (6)
I believe the answer is:
advent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pre-christmas season</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 advent that I've seen before include "when the Church year begins" , "Arrival of important person or event" , "Period in the Christian calendar" , "Arrival - time before Christmas" , "Second Coming" .)