Prabhupāda: (recites with Tamal Kṛṣṇa and devotees repeating)
parātma, niṣṭhā, adhyā, sitāṁ, pūrva, tamair, mahadbhiḥ; ahaṁ, tariṣyāmi, duranta, pāraṁ, tamo, mukunda, aṅghri, niṣe, vayaiva. etāṁ, sam āsthāya, parātma, niṣṭhām, adhyāsitāṁ, pūrva, tamair, mahadbhiḥ; ahaṁ, tariṣyāmi, duranta, pāraṁ, tamo, mukundāṅghri, niṣe, vayaiva. etāṁ, sam āsthāya, parātma, niṣṭhām, adhyāsitāṁ, pūrva, tamair, mahadbhiḥ, ahaṁ, tariṣyāmi, duranta, pāraṁ, mukunda, aṅghri, niṣe, vayaiva.
The meaning of this verse is that I am just now following the footsteps of previous ācāryas. To accept sannyāsa so that I can completely devote myself in the service of Mukunda. Mukunda means one who can give liberation. Mukti muk means mukti liberation. So Kṛṣṇa's name is Mukunda. He can give actually liberation otherwise there is no question of liberation.
To accept the . . . (indistinct) . . . this mantra was previously chanted by Lord Caitanya when He took sannyāsa. Therefore we Gauḍīya Vaiṣṇavas when we accept sannyāsa we follow the footsteps of Lord Caitanya Mahāprabhu. The narration is in the Caitanya-caritāmṛta that Lord Caitanya Mahāprabhu when he completed his twenty fourth year of age, cabbiśa vatsara-śeṣa yei māgha-māsa (CC Madhya 3.3). That month, month was also the same, māgha-māsa this month is going now. When He completed his 24th year on the month of māgha this January and February. In that śukla-pakṣe in the moonlight He accepted sannyāsa. So after accepting sannyāsa, sannyāsa kari' premāveśe calilā vṛndāvana. After accepting sannyāsa He immediately left his country and went towards Vṛndāvana.
Vṛndāvana means where Lord Kṛṣṇa lives. Lord Kṛṣṇa lives everywhere but His specific place is Vṛndāvana. So anyone who is engaged in the service of the Lord anywhere he goes that is Vṛndāvana, rāḍha-deśe tina dina karilā bhramaṇa (CC Madhya 3.4). But He travelled for three days in Bengal, rāḍha-deśe. Rāḍha-deśe means where the Ganges river is not flowing. That is called rāḍha-deśe.