Early part of life (5)
I believe the answer is:
youth
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">early part of life</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 youth that I've seen before include "Adolescent" , "Juvenile" , "Early days" , "Early part of life" , "Children" .)