pūrva-diśāya — in the eastern direction; cale — goes; svarūpa — Svarūpa Dāmodara Gosvāmī; lañā — taking; kata jana — some persons; sindhu-tīre — on the seashore; nīre — in the water; karena — does; prabhura — of Śrī Caitanya Mahāprabhu; anveṣaṇa — searching.