Gást-cyning

According to the Old English Dictionary:

es;

gást-cyning

m. A spirit-king, God; spīrĭtālis rex, Deus :-- Siððan wit ǽrende gástcyninge agifen habbaþ after we two have performed the errand to the king of spirits [God], Cd. 139; Th. 174, 24; Gen. 2883. gast-cyning