From part [sc. to whole]. In reference to those no longer of any use, because their whole body [is] weak.[1] Also: 'An old man's jaws are staffs', in reference to those who eat a lot in their old age. Also: 'Never look at an old man's buttocks', in reference to those who are not useful for some purposes.[2] Also: 'When a man is faring badly, his friends are gone' in reference to those who find no assistance in misfortune from their friends.[3]