Mægen-cyning

According to the Old English Dictionary:

es;

mægen-cyning

m. A chief, mighty or powerful king:-- Mægencyning (God), Elen. Kmbl. 2493; El. 1248: Exon. 116b; Th. 448, 21; Dóm. 57: (Christ), 21a; Th. 57, 11; Cri. 917. Mægencyninga meotod the lord of mighty kings, 21b; Th. 58, 29; Cri. 943: 116a; Th. 445, 12; Dóm. 6. [Cf. Icel. megin-dróttning (the Virgin Mary): megin-skjöldungr (Christ).] mægen-cyning