idiotry

From idiot +‎ -ry.

idiotry (uncountable)

1. (obsolete) Idiocy
   • 1752, William Warburton, “Epistle to Dr. [John] Arbuthnot, Being the Prologue to the Satires”, in Alexander Pope, The Works of Alexander Pope Esq., volume IV, London: […] J[ohn] and P[aul] Knapton […], →OCLC, footnote, page 22:

     But ſo great vvas his love of ſacred amity at the ſame time, that he ſays, I ſtill keep up any correſpondence vvith him, notvvithſtanding his Idiotry, for it is my principle to be contſant in my friendſhips— […]

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