CC Ādi 10.58

‘pradyumna brahmacārī’ tāṅra āge nāma chila
‘nṛsiṁhānanda’ nāma prabhu pāche ta’ rākhila
Word for word: 
pradyumna brahmacārī — Pradyumna Brahmacārī; tāṅra — his; āge — previously; nāma — name; chila — was; nṛsiṁhānanda — Nṛsiṁhānanda; nāma — the name; prabhu — the Lord; pāche — afterward; ta’ — certainly; rākhila — kept it.
Translation: 
The former Pradyumna Brahmacārī was given the name Nṛsiṁhānanda Brahmacārī by Śrī Caitanya Mahāprabhu.