Bhagavatapurana 10.86.28

10.86.28

pravṛddha-bhaktyā uddharṣa- hṛdayāsrāvilekṣaṇaḥ /
natvā tad-aṅghrīn prakṣālya tad-apo loka-pāvanīḥ //

27. to 29. When they, who are far away from the unrighteous ear, entered his house and comfortably took the seats offered to them: the high-souled Janaka, Brihadasva, transported with intense devotion, with eyes dimmed with tears, bowed, washed their feet and with His family bore on his head the water that purifies the world and worshipped the World-Rulers (the Lord) with sandal, flowers, cloths, ornaments, scented fumes, lights, water and oxen.