Sixth month (4)
I believe the answer is:
june
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sixth month</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for june that I've seen before include "Sixth month" , "Month of our summer solstice" , "The "flaming" month?" , "some time" , "Spring/summer month" .)