Ancestry, pedigree (7)
I believe the answer is:
lineage
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">ancestry</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that ancestry can be written as lineage)</span><br/ ><br/ >'<span class="explanation-format__original">pedigree</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that pedigree can be written as lineage)</span><br/ ><br/ ></span>
(Other definitions for lineage that I've seen before include "Genealogy" , "Descent (from an ancestor)" , "Pedigree, family tree" , "Ancestral line as seen in eagle" , "Line of descent or ancestry" .)