abrenounce

from The Collaborative International Dictionary of English v.0.48

Abrenounce \Ab`re*nounce"\, v. t. [L. abrenuntiare; ab +
   renuntiare. See {Renounce}.]
   To renounce. [Obs.] "They abrenounce and cast them off."
   --Latimer.
   [1913 Webster]