Lewis & Short

per-pasco, pāvi, pastum, 3, v. n., to graze, pasture.

  1. I. Lit., Varr. L. L. 5, § 95 Müll.
  2. II. Transf.: perpascor, ci, 3, v. dep., to lay waste, devastate: fluvius perpascitur agros, Sev. Aetn. 489.
    Hence, perpastus, a, um, P. a., well fed, in good condition: canis, Phaedr. 3, 7, 2.