The Collaborative International Dictionary of English v.0.48:

Adempt \A*dempt"\ ([.a]*d[e^]mt"; 215), p. p. [L. ademptus, p.
   p. of adimere to take away.]
   Taken away. [Obs.]

         Without any sinister suspicion of anything being added
         or adempt.                               --Latimer.
   [1913 Webster]