tatah—thereafter; urdhvam—after mother Sita’s going into the earth; brahmacaryam—complete celibacy; dharayan—observing; ajuhot—performed a ritualistic ceremony and sacrifice; prabhuh—Lord Ramacandra; trayodasa-abda-sahasram—for thirteen thousand years; agnihotram—the sacrifice known as Agnihotra-yajna; akhanditam—without ceasing.