Siniawis
Siniawis
River in the underworld of Mandaeism
In Mandaean cosmology, Siniawis (Classical Mandaic: ࡎࡉࡍࡉࡀࡅࡉࡎ) is a region in the World of Darkness (alma ḏ-hšuka) or underworld.[1] It is described as "the lower earth of the darkness" (arqa titaita ḏ-hšuka) in Chapter 1 of Book 5 in the Right Ginza.[2]