pĕr-haurĭo

si, stum, 4, v. a.
I. Lit., to drain completely, to drink up: calicem uno haustu, App. M. 10, p. 246, 39; Tert. ad Nat. 1, 15.—
II. Trop.: auribus perhauriendum'st, Plaut. Mil. 1, 1, 34.
Lewis & Short
A Latin Dictionary, 1879
An open-access project