idolomancy
Divination by idols, images or figures.
uncountable
Idolomancy, by Idolls, Images, Figures...
1652 Gaule The Magastromancer xix.
Where it comes from
First element is from Late Latin idolum, from Ancient Greek εἴδωλον (eídōlon, “image, idol”). Second element is from Latin -mantīa, ultimately from Ancient Greek μᾰντείᾱ (mănteíā). Equivalent to idol + -mancy.
Adapted from the Wiktionary entry idolomancy (CC BY-SA 4.0).