Derivation (6)
I believe the answer is:
origin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">derivation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that origin is a type of derivation)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for origin that I've seen before include "Where axes cut" , "Place or point of beginning (6)" , "Crossing of axes" , "Source, root" , "Source, derivation" .)