dedocere

dedocēre [CL] , to ‘unteach’, cause to unlearn. b (p. ppl.) untaught. dum divinatio sobrietatis mensuram excedit, ‥ non instruit sed suum ~et professorem J. Sal. Pol. 440B. .  b doctores dilige doctos; / dedoctus docti doctoris dogmata damnat D. Bec. 75.