unestablish

From un- +‎ establish.

unestablish (third-person singular simple present unestablishes, present participle unestablishing, simple past and past participle unestablished)

1. To disestablish.
   • 1649, J[ohn] Milton, ΕΙΚΟΝΟΚΛΆΣΤΗΣ [Eikonoklástēs] […], London: […] Matthew Simmons, […], →OCLC:

     The Parliament demanded of the king to unestablish that prelatical government.

• “unestablish”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.