The name "Peru" is derived from the word "Biru," which was the name of a ruling Inca chief who lived in the region in the 16th century. The Spanish explorers who arrived in the region in the 1500s named the country "Perú" after the chief, and the name has been used ever since.
The exact origins of the name "Biru" are unclear, but it is thought to be derived from the Quechua language, which was spoken by the Inca and other indigenous groups in the region. The name may have originally referred to a specific place or region, and it was later adopted as the name of the country.
Today, "Perú" is the official name of the country in Spanish, and it is used by the government and on official documents. The English version of the name, "Peru," is also commonly used, and it is the name most commonly used by tourists and foreign visitors.
Overall, the name "Peru" is derived from the name of a ruling Inca chief, and it has been used to refer to the country for hundreds of years.
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