Jersey
in England, a term long used to designate the finest and longest wool in a fleece, so called from the island of Jersey in the English channel noted for its finewooled sheep. The name came gradually to be applied to fine worsted yarn. Still later it was given to a close fitting knitted upper garment which has been popular in America and England in various styles and shapes for nearly a century. Jersey cloth is a name given to wool stockinet. See Stockinet
Volume III · Aiton’s Encyclopedia