ICONS. The term icon (from the Greek eikōn, "image") is applied in a broad sense to all sacred images worshiped by Christians in eastern Europe and the Middle East regardless of the image's media; thus icons may be mosaics, frescoes, engravings on marble or metal, or prints on paper. In its current use the term describes portable sacred images painted on wood, canvas, or glass.

Beginning and Growth of the Veneration of Icons

Portable icons first appeared in Egypt in the third century. The oldest works that have been preserved to this day bear a striking resemblance to the funeral portraits that replaced the masks on the anthropoid coffins of the Hellenistic period. The Judaic tradition, which relied on the biblical prohibition of the use of images in religious worship, was confronted in the eastern Mediterranean area with the Greek tradition, theoretically substantiated by Neoplatonism, according to...