CC Antya 3.148

nityānanda-gosāñi gauḍe yabe āilā
prema pracārite tabe bhramite lāgilā
Word for word: 
nityānanda-gosāñi — Lord Nityānanda; gauḍe — in Bengal; yabe — when; āilā — came back; prema pracārite — to preach the cult of bhakti, love of Godhead; tabe — at that time; bhramite lāgilā — began to tour.
Translation: 
When Lord Nityānanda returned to Bengal to preach the cult of bhakti, love of Godhead, He began touring all over the country.