Caitanya-caritāmṛta 4.104
ati gūḍha hetu sei tri-vidha prakāra dāmodara-svarūpa haite yāhāra pracāra
[ati goodha hetu sei tri-vidha prakaara daamodara-svaroopa haite yaahaara prachaara]
Blended reading (Sanskrit + English inline)
ati gūḍha hetu sei tri-vidha prakāra dāmodara-svarūpa haite yāhāra pracāra
That most confidential cause is threefold. Svarūpa Dāmodara has revealed it.
My note
Source: vedabase.io