👉 The term "roussillon" is a French word that refers to a specific region in southwestern France. It can be used as an adjective, noun, or verb depending on its context. Generally, it describes a region located in the Pyrénées-Atlantiques department of southwestern France. The name "roussillon" comes from the Spanish word "roseta", which means rose in Catalan, and is commonly associated with the region's beautiful landscapes, particularly its mountainous terrain