Origins, heritage (5)
I believe the answer is:
roots
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">origins</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('root' can be a synonym of 'origin')</span><br/ ><br/ >'<span class="explanation-format__original">heritage</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for roots that I've seen before include "Nerve endings" , "Underground growths" , "Supports" , "Beginnings, origins" , "Genealogy" .)