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CC Madhya 18.137

eta bali’ jhāṅpa dilā jalera upare
ḍubiyā rahilā prabhu jalera bhitare
Synonyms: 
eta bali’ — saying this; jhāṅpa dilā — jumped; jalera upare — above the water; ḍubiyā — sinking; rahilā — remained; prabhu — Śrī Caitanya Mahāprabhu; jalera bhitare — within the water.
Translation: 
While considering how Akrūra remained within the water, Śrī Caitanya Mahāprabhu immediately jumped in and stayed under water for some time.