prae-dŏcĕo

I. to teach, instruct, inform beforehand (very rare): illi praedocti a duce arma mutaverant, Sall. J. 94, 1: praedoctus esto, Plin. 18, 34, 77, § 334: myrrheus Pulvis sepulcrum praedocet, Prud. Cath. 12, 72.