Fret and Key
Chinese Fret, Greek Fret, and Greek Key border designs. This is suggested by the overlapping of the sea waves. It is commonly found in the borders of the Samarkand, Kashgar, Yarkand, Beluchistan, and nearly all of the Chinese products.
G. Griffin Lewis The Practical Book of Oriental Rugs (Philadelphia: J. B. Lippincott Company, 1913) 106