prabhu - the Lord; paḍi' āchena - was lying down; dīrgha - prolonged; hāta pāṅca-chaya - five to six cubits (one cubit equals about a foot and a half); acetana deha - unconscious body; nāsāya - in the nostrils; śvāsa - breath; nāhi vaya - does not flow.

Śrī Caitanya Mahāprabhu was lying unconscious, and His body had become elongated to five or six cubits. There was no breath from His nostrils.