thearchy
/ˈθiːɑːki
/noun (plural thearchies) [mass noun] archaic
Rule by a god or gods.There, an attempt to set up a Buddhist thearchy has led to chaos and a left-wing military dictatorship.
Origin
Mid 17th century: from ecclesiastical Greek thearkhia 'godhead', from theos 'god' + arkhein 'to rule'.