śrī-haste - with His own hand; karena - does; siṁhāsanera mārjana - washing of the sitting place of the Lord; prabhu āge - before the Lord; jala - water; āni' - bringing; deya - deliver; bhakta-gaṇa - all devotees.

Then Śrī Caitanya Mahāprabhu began to wash the sitting place of Lord Jagannātha with His own hands, and all the devotees began to bring water to the Lord.