tina-daśāya - in three conditions; mahāprabhu - Śrī Caitanya Mahāprabhu; rahena - remains; sarva-kāla - at all times; antaḥ-daśā - internal condition; bāhya-daśā - external condition; ardha-bāhya - half-external consciousness; āra - and.

The Lord remained in one of three different states of consciousness at all times: internal, external and half-external.