i·co·nos·ta·sis 
(ī′kə-nŏstə-sĭs)
(ī′kə-nŏstə-sĭs)n. pl. i·co·nos·ta·ses (-sēz′)
The screen decorated with icons that divides the sanctuary from the nave of an Eastern Orthodox church.
[From Medieval Greek eikonostasion, shrine : eikono-, icono- + Greek stasis, a standing; see stā- in the Appendix of Indo-European roots.]
iconostasis