Where does “margaritomancy” come from?

margaritomancy (English) comes from Latin margarīta, from Ancient Greek μαργαρίτης, from Proto-Iranian *mŕ̥ga-ahri-ita-.

margaritomancy (English): Divination by pearls

Definitions

Step	Language	Word	Meaning
1	Latin	margarīta	—
2	Ancient Greek	μαργαρίτης	pearl; a type of Egyptian plant
3	Proto-Iranian	*mŕ̥ga-ahri-ita-	—

margaritomancy — Etymology, Origin & Word History | Etymology Explorer