Source : Webster's Revised Unabridged Dictionary (1913)

Amit \A*mit"\, v. t. [L. amittere, amissum, to lose; a (ab) +
   mittere to send. See {Missile}.]
   To lose. [Obs.]

         A lodestone fired doth presently amit its proper
         virtue.                                  --Sir T.
                                                  Browne.