Múþ-bana
Bosworth & Toller Anglo-Saxon Old English Dictionary - múþ-bana
According to the Old English Dictionary:
an;
- múþ-bana
- m. One who destroys with the mouth :-- Him Grendel wearþ tó múþbonan, leófes mannes líc eall forswealg, Beo. Th. 4165; B. 2079. muþ-bana