Arabic

ǯanāzat-, ǯināzat- - corpse, dead man (BK 1 339)

ǯnz ‘être placé sur le brancard’ (se dit du cadavre) ‘

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’