Grimetung

According to the Old English Dictionary:

grymetung, e;

grimetung

f. Raging, roaring, grunting, loud noise; murmur, fremitus, rugitus :-- Swýnes grymetunge swine's grunting, Guthl. 8; Gdwin. 48, 3: 46, 20. Leóna grymetunge roaring of lions, Shrn. 50, 9. grimetung