Lewis & Short

prae-pōto, āre, v. n. and a.

  1. I. Neutr., to drink before (post-class.), Cael. Aur. Acut. 3, 17, 159.
  2. II. Act., to give to drink or make drink of before: praepotat absinthio aegrotantes vino sincero, Cael. Aur. Acut. 3, 17, 160; id. Tard. 5, 10, 120.