CC Madhya 13.77
govindāya namo namaḥ
namaḥ — all obeisances; brahmaṇya-devāya — to the Lord worshipable by persons in brahminical culture; go-brāhmaṇa — for cows and brāhmaṇas; hitāya — beneficial; ca — also; jagat-hitāya — to one who always is benefiting the whole world; kṛṣṇāya — unto Kṛṣṇa; govindāya — unto Govinda; namaḥ namaḥ — repeated obeisances.
“ ‘Let me offer my respectful obeisances unto Lord Kṛṣṇa, who is the worshipable Deity for all brahminical men, who is the well-wisher of cows and brāhmaṇas, and who is always benefiting the whole world. I offer my repeated obeisances to the Personality of Godhead, known as Kṛṣṇa and Govinda.’
This is a quotation from the Viṣṇu Purāṇa (1.19.65).