εἴδωλον an image (i.e. for worship); by implication, a heathen god, or (plural) the worship of suchDerivation: from G1491;KJV Usage: idol. G1491
Thayer:1) an image, likeness 1a) i.e. whatever represents the form of an object, either real or imaginary 1b) used of the shades of the departed, apparitions, spectres, phantoms of the mind, etc. 2) the image of an heathen god 3) a false god
εἴδωλον eidōlon i'-do-lon From G1491; an image (that is, for worship); by implication a heathen god, or (plural) the worship of suchKJV Usage: idol.