Caitanya-caritāmṛta 12.4
ataḥpara mahāprabhura viṣaṇṇa-antara kṛṣṇera viyoga-daśā sphure nirantara
[atahpara mahaaprabhura vishanna-antara krishnera viyoga-dashaa sphure nirantara]
Blended reading (Sanskrit + English inline)
ataḥpara mahāprabhura viṣaṇṇa-antara kṛṣṇera viyoga-daśā sphure nirantara
The mind of Śrī Caitanya Mahāprabhu was always morose because of a continuously manifested feeling of separation from Kṛṣṇa.
My note
Source: vedabase.io