Lewis & Short

† collybus (collŭbus), i, m., = κόλλυβος [prob. of Phoenicio-Semitic origin, kindr. with the Heb. [??], to change], the exchange of coins of different kinds, or of different countries, agio.

  1. I. Prop., Cic. Att. 12, 6, 1; Cassiod. Parm. ap. Suet. Aug. 4.
  2. II. Meton., the rate or premium of exchange, Cic. Verr. 2, 3, 78, § 181.