Argobba

gunž, gəǯo, ˁuǯo, ˀuǯo - back of the body (Leslau 1997:202, AAD 422)

PS
*gVn(ā)z(-at)- - (dead) body, back (of body) (SED I No. 87)
Apparently related to (derived from?) this root is Sem. *gnz ‘to wrap up the corpse, to prepare a body for funerals’