Lewis & Short

prae-fŏdĭo, fōdi, 3, v. a.

  1. I. To dig before or in front of: portas, Verg. A. 11, 473 (id est ante portas fossas faciunt, Serv.).
  2. II. With respect to time, to dig or bury before: scrobes, to make pits beforehand, Plin. 17, 11, 16, § 79: aurum, to bury before, Ov. M. 13, 60.