Fám-bláwende

According to the Old English Dictionary:

fám-bláwende

def. se -bláwenda; part. Foam-blowing, emitting foam; spūmam efflans :-- Se lég fámbláwenda seáþ and se fúla ðone ðú gesáwe, ðæt wæs helle tintreges múþ pŭteus ille flammĭvŏmus ac pūtĭdus quem vīdisti, ipsum est os gehennæ, Bd. 5, 12; S. 630, 12, note, MS. T. fam-blawende