1528, from O.Fr. peregrination (12c.), from L. peregrinationem (nom. peregrinatio) "a journey," from peregrinatus, pp. of peregrinari "to journey or travel abroad," from peregrinus "from foreign parts, foreigner," from peregre "abroad," properly "that found outside Roman territory," from per- (q.v.) + agri, loc. of ager "field, territory, land, country" (see acre).