the what does the word pilgrim mean and what was the earliest use case of it

A: The word “pilgrim” refers to a person who journeys, often a long distance, to a sacred place for religious reasons, as an act of devotion or spiritual growth. The earliest use of the term “pilgrim” can be traced back to the 12th century, originating from the Old French word “pelegrin,” which is directly derived from the Latin term “peregrinus,” meaning “foreigner” or “traveler.” The concept of pilgrimage is deeply rooted in various religious and spiritual traditions, with records of pilgrimages dating back to ancient civilizations like Egypt, Mesopotamia, and India.