superfrontal
/ˈsuːpəfrʌntl/ /ˈsjuːpəfrʌntl/noun
1An ornamental cloth placed over an altar and which hangs over the frontal.
2An ornamental cloth hung at the back of the altar or at the sides of the chancel.
Origin
Mid 19th century; earliest use found in Ecclesiastic. From post-classical Latin superfrontale ornamental cloth placed over an altar, use as noun of neuter of superfrontalis, adjective from super- + frontalis.