Why is money pesos?

The word "peso" is derived from the Spanish word for "weight," and it was originally used to refer to a specific weight of silver or gold. The Spanish peso was first used in the 16th century, and it was widely adopted throughout the Spanish Empire.

Over time, the peso became the currency of many countries that were once part of the Spanish Empire, including Mexico, Argentina, Chile, and Colombia. In some countries, the peso is still the primary currency, while in others it has been replaced by other currencies, such as the dollar or the euro.

The term "peso" is also used to refer to other currencies that are not necessarily related to the Spanish peso. For example, the Philippine peso is not directly descended from the Spanish peso, but it is named after it because of the historical influence of Spain in the Philippines.