Source : Webster's Revised Unabridged Dictionary (1913)

Nim \Nim\, v. t. [imp. {Nam}or {Nimmed}; p. p. {Nomen}or
   {Nome}.] [AS. niman. [root] 7. Cf. {Nimble}.]
   To take; to steal; to filch. [Obs.]

         This canon it in his hand nam.           --Chaucer.

Source : WordNet®

nim
     n : game in which matchsticks are arranged in rows and players
         alternately remove one or more of them; in some versions
         the object is to take the last remaining matchstick on
         the table and in other versions the object is to avoid
         taking the last remaining matchstick on the table