hena kāle - at that time; ācārya-gosāñi - Advaita Ācārya Prabhu; naukāte caḍiñā - on board a boat; āila - reached there; nūtana - new; kaupīna - underwear; bahiḥ-vāsa - outer garments; lañā - bringing.

While Śrī Caitanya Mahāprabhu was standing there without a second garment, Śrī Advaita Ācārya arrived in a boat, bringing with Him new underwear and external garments.