Source : Webster's Revised Unabridged Dictionary (1913)

Narcotic \Nar*cot"ic\, a. [F. narcotique, Gr. ??????????, fr.
   ??????? to benumb, na`rkh numbness, torpor.] (Med.)
   Having the properties of a narcotic; operating as a narcotic.
   -- {Nar*cot"ic*ness}, n.