bhaktera mahimā - the glories of a devotee; prabhu - Śrī Caitanya Mahāprabhu; kahite - to speak; pāya sukha - gets happiness; bhaktera mahimā - the glories of a devotee; kahite - to speak; haya - becomes; pañca-mukha - five-faced.

Śrī Caitanya Mahāprabhu became very happy just to speak of the glories of His devotees. Indeed, when He spoke of their glories, it was as if He had five faces.