Śrī Caitanya Caritamrta · Text Ādi 5.107
হেন নারায়ণ,—যাঁর অংশের অংশ ।
সেই প্রভু নিত্যানন্দ—সর্ব–অবতংস ॥ ১০৭ ॥
hena nārāyaṇa, — yāṅra aṁśera aṁśa
sei prabhu nityānanda — sarva-avataṁsa
That Lord Nārāyaṇa is a part of a plenary part of Lord Nityānanda Balarāma, who is the source of all incarnations.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.