uncolt

English

uncolt (third-person singular simple present uncolts, present participle uncolting, simple past and past participle uncolted)

(obsolete) To unhorse; to deprive of a colt or horse.
- c. 1597 (date written), William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act II, scene ii]:
  Thou liest : thou art not colted; thou art uncolted