iconostasis

Etymology

Borrowed from Byzantine Greek εἰκονόστασις (eikonóstasis), from εἰκών (eikṓn, “icon”) + στάσις (stásis, “fixture”).

noun

1. (Eastern Orthodoxy) A wall of icons between the sanctuary and the nave in an Eastern Orthodox church.
   The altar was hidden behind an Iconostasis. The church was looked after by an old sacristan who lived in a cottage on the shore of the lake. 1932, Maurice Baring, chapter 10, in Friday's Business