disseat

From dis- +‎ seat.

disseat (third-person singular simple present disseats, present participle disseating, simple past and past participle disseated)

1. (archaic, transitive) To unseat.
   • c. 1606 (date written), William Shakespeare, “The Tragedie of Macbeth”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals):

     When I behold—Seyton, I say!—This push
     Will cheer me ever, or disseat me now.

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

• saidest, sestiad