fiar
/ˈfjaɾ/ · B1 · verb
to entrust
📒🤝 From Latin fidare, to trust: kin to fidelity, confide and fiancé
To fiar is to trust someone, either by vouching for them or by letting them pay later. A shop that sells fiado puts your purchase on the slate. The saying is: Hoy no se fía, mañana sí (no credit today, tomorrow yes).