aleuromancy
/əˈl(j)ʊərəmansi/ /ˈaljʊrəˌmansi/noun
Any of various forms of divination using meal, flour, cakes, etc., especially as practised by the ancient Greeks.
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From (i) French aleuromantie.