Wæl-gæst

Selon le Dictionnaire Anglo-Saxon :

(-gǽst?), es;

wæl-gæst

m. A deadly guest (spirit?), a murderous guest :-- Wælgaest (Grendel), Beo. Th. 3994; B. 1995: (Grendel's mother), 2666; B. 1331. wæl-gæst,wæl-