I. Terminology

The word icon, from Gk εἰκών/eikṓn (“image, likeness”), is usually associated with egg-tempera paintings on a primed wood panel, used in the cult of the Eastern Orthodox churches (i.e. the churches that have accepted the Council of Chalcedon, but also a few pre-Chalcedonian churches such as the Coptic [Copts] and ¶ Ethiopian Orthodox Churches). Pictures are called icon…