CC Antya 16.77

bhakta-gaṇa prabhu-saṅge rahe cāri-māse
prabhu ājñā dilā sabe gelā gauḍa-deśe
Word for word: 
bhakta-gaṇa — all the devotees; prabhu-saṅge — with Śrī Caitanya Mahāprabhu; rahe — remained; cāri-māse — for four months; prabhu — Lord Śrī Caitanya Mahāprabhu; ājñā dilā — gave the order; sabe — unto everyone; gelā — returned; gauḍa-deśe — to Bengal.
Translation: 
All the devotees remained with Śrī Caitanya Mahāprabhu continuously for four months. Then the Lord ordered them back to Bengal, and therefore they returned.