In ancient Greek literature, an eidolon (« image, idol, double, apparition, phantom, ghost ») is a spirit-image of a living or dead person; a shade or phantom look-alike of the human form. Judaism forbid representation because the Interiorité is inside. Human beeing is a spiritual fact not an object.
« Their idols are silver and gold, made by the hands of men.
They have mouths, but cannot speak; they have eyes, but cannot see;
they have ears, but cannot hear; they have noses, but cannot smell »
(Psalm 105, 4-6)