yadyapiha - although; prabhu - Śrī Caitanya Mahāprabhu; koṭī-samudra-gambhīra - as deep as millions of oceans; nānā - various; bhāva - of ecstatic emotions; candrodaye - because of the moonrise; hayena - sometimes becomes; asthira - restless.

Although Śrī Caitanya Mahāprabhu is as deep and grave as millions of oceans, when the moon of His various emotions rises, He becomes restless.