hanumān-āveśe - in the emotion of being Hanumān; prabhu - Śrī Caitanya Mahāprabhu; vṛkṣa-śākhā lañā - taking a large branch of a tree; laṅkā-gaḍe - on the Laṅkā fort; caḍi' - ascending; phele - breaks down; gaḍa - the fort; bhāṅgiyā - dismantling.

Displaying the emotions of Hanumān, Śrī Caitanya Mahāprabhu took up a large tree branch and, mounting the walls of the Laṅkā fort, began to dismantle it.