Múþ-bersting

古英語辞典によると:

e;

múþ-bersting

f. A breaking out about the mouth :-- Múþberstingc (in a list of diseases) frenus (cf. frenusculi, ulcera circa rictum oris, similia his quae fiunt jumentis asperitate frenorum, Isid, 4, orig. 8), Wrt. Voc. i. 20, 14. Múþbersting, ii. 39, 17. Múþberstung, 150, 56. muþ-bersting