prabhura - of Śrī Caitanya Mahāprabhu; nṛtya-śloka - verse uttered during His dancing; śuni' - hearing; śrī-rūpa-gosāñi - Śrīla Rūpa Gosvāmī; sei śloka-artha - the meaning of that verse; lañā - taking; śloka karilā - composed another verse; tathāi - on the spot.

When Rūpa Gosvāmī heard a verse uttered by Śrī Caitanya Mahāprabhu during the ceremony, he immediately composed another verse dealing with the same subject.