siddhim āpuḥ pratoṣya kām

vidurah uvaca-Vidura said; ye-those who; tvaya-by you; abhihitah-were spoken about; brahman-O brahmana; sutah-sons; pracinabarhisah-of King Pracinabarhi; te-all of them; rudra-gitena-by the song composed by Lord Siva; harim-the Lord; siddhim-success; apuh-achieved; pratosya-having satisfied; kam-what.