Briteiros were a group of medieval warriors and raiders from the region of Portugal during the 12th century. They were known for their fierce resistance against the Moors and played a significant role in the Christian Reconquista, which aimed to reclaim the Iberian Peninsula. The Briteiros were often associated with the early formation of the Portuguese nation. The term "Briteiro" is derived from the word "brighter," reflecting their reputation for bravery and valor. They were often depicted as skilled fighters, utilizing both traditional weapons and tactics. Their legacy is remembered in Portuguese history as symbols of courage and determination in the face of adversity.