caupōnor — Lewis & Short
caupōnor, āri, v. dep.id.,
I to traffic or trade in any thing; trop.: bellum, Enn. ap. Cic. Off. 1, 12, 38 (Ann. v. 201 Vahl.); cf. the Gr. kaphleu/ein ma/xhn, Aesch. Sept. 347:
verbum veritatis,Cassiod. Hist. Eccl. 4, 24.