Múþ-sár
Bosworth & Toller Anglo-Saxon Old English Dictionary - múþ-sár
According to the Old English Dictionary:
es;
- múþ-sár
- n. A pain of the mouth:-- Haran geallan mæg wið pipor gemenged wið múðsáre (contra dolorem oris), Ll. Th. ii. 162, 25. muþ-sar