church cloth
/ˈtʃəːtʃ klɒθ/noun
Any piece of cloth used in a church or a church service, such as an altar cloth, purificator, corporal, etc.; (as a mass noun) fabric used for such items.
Origin
Mid 17th century; earliest use found in James Shirley (bap. 1596, d. 1666), playwright and poet. From church + cloth.