acyutānanda - Acyutānanda; baḍa śākhā - a big branch; ācārya-nandana - the son of Advaita Ācārya; ājanma - from the very beginning of life; sevilā - served; teṅho - he; caitanya-caraṇa - the lotus feet of Lord Caitanya.

A big branch of Advaita Ācārya was His son Acyutānanda. From the beginning of his life he engaged in the service of the lotus feet of Lord Caitanya.