aleuromancy

[ uh-loo r-uh-man-see ]
/ əˈlʊər əˌmæn si /

noun

(in ancient times) the use of flour as a means of divination.

Origin of aleuromancy

1650–60; < French aleuromancie (see aleurone, -mancy), alteration of Greek aleuromanteîon divination by meal