māsa-mātra rūpa-gosāñi rahilā vṛndāvane
śīghra cali' āilā sanātanānusandhāne
māsa-mātra - only one month; rūpa-gosāñi - Rūpa Gosāñi; rahilā - remained; vṛndāvane - at Vṛndāvana; śīghra - very soon; cali' āilā - returned; sanātana-anusandhāne - to search for Sanātana Gosvāmī.