yaḥ - who; tayoḥ - of them; ātma-jaḥ - a son; kalpaḥ - capable; ātmanā - with his physical resources; ca - and; dhanena - with his wealth; ca - also; vṛttim - a livelihood; na dadyāt - does not give; tam - him; pretya - after passing away; sva - his own; māṁsam - flesh; khādayanti - they make eat; hi - indeed.

A son who, though able to do so, fails to provide for his parents with his physical resources and wealth is forced after his death to eat his own flesh.