The story
From Ancient Greek εἰκονομαχία (eikonomakhía), from εἰκών (eikṓn, "likeness, image, portrait") and -μαχία (-makhía, "battle, fight"), literally meaning "war against images" or "war on icons".
Etymology from Wiktionary, CC BY-SA 4.0.
iconomachy
Today it means: Hostility to images as objects of worship. Full definition →