Ge-hliþ
Bosworth & Toller Anglo-Saxon Old English Dictionary - ge-hliþ
According to the Old English Dictionary:
es;
- ge-hliþ
- pl. nom. acc. -hliðo; n. A lid, covering, roof; tectum :-- Sceolde he sécan helle gehliðo he must seek the roofs of hell [or gates of hell : cf. Icel. hlið a gate], Cd. 36; Th. 47, 21; Gen. 764.