Eg, January (5)
I believe the answer is:
month
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eg january</span>' is the definition.<br/ ><span class="explanation-format__explanation">(january is a kind of month)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for month that I've seen before include "One of 12 divisions" , "Eg, March" , "See 10" , "Moon's period" , "Eg, April" .)