Caitanya-caritāmṛta 1.73
prabhura nṛtya-śloka śuni’ śrī-rūpa-gosāñi sei ślokārtha lañā śloka karilā tathāi
[prabhura nritya-shloka shuni’ shree-roopa-gosaani sei shlokaartha lanaa shloka karilaa tathaai]
Blended reading (Sanskrit + English inline)
prabhura nṛtya-śloka śuni’ śrī-rūpa-gosāñi sei ślokārtha lañā śloka karilā tathāi
When Rūpa Gosvāmī heard a verse uttered by Śrī Caitanya Mahāprabhu during the ceremony, he immediately composed another verse dealing with the same subject.
My note
Source: vedabase.io