śmaśānānta-kriyā-kṛtaḥ

daksinena-southern; patha-by the path; aryamnah-of the sun; pitr-lokam-to Pitrloka; vrajanti-go; te-they; prajam-their families; anu-along with; prajayante-they take birth; smasana-the crematorium; anta-to the end; kriya-fruitive activities; krtah-performing.