impawning

from The Collaborative International Dictionary of English v.0.48

Impawn \Im*pawn"\, v. t. [imp. & p. p. {Impawned}; p. pr. & vb.
   n. {Impawning}.] [Pref. im- + pawn: cf. {Empawn}.]
   To put in pawn; to pledge; to pawn. --Shak.
   [1913 Webster]