This historical English meaning refers to the peso duro, a silver coin formerly used in Spain and parts of Spanish America.
The collection contains an old Spanish duro.
Merchants accepted duros in the port.
This foreign-language meaning describes a substance or object that is physically hard, firm, or resistant to pressure.
In Spanish, pan duro means hard bread.
Duro can describe a firm material in Portuguese.
This figurative foreign-language use describes situations, work, treatment, or conditions that are demanding or severe.
Trabajo duro means hard work in Spanish.
The word can describe a duro winter or difficult experience.
In modern Spanish historical usage, duro commonly referred to a coin or amount worth five pesetas.
Older speakers remembered paying a duro for small items.
The expression survived after the coin disappeared.
