Nos-
Bosworth & Toller Anglo-Saxon Old English Dictionary - nos-
According to the Old English Dictionary:
nosu-gristle
- nos-
- the gristle or cartilage of the nose :-- Nosgrisele internasus, Wrt. Voc. ii. 48, 31. Nosugrisle cartilago, i. 64, 49. under nosu. nos-