महाबाहौ mightyarmed, रामे Rama, निर्गच्छति going away, अभ्यवहितम् raised, महीरजः dust of the earth, पतितैः by the fallen, पौरजनाश्रुभिः with the tears of the citizens, प्रशशाम subsided.

As the mightyarmed Rama was going away, the dust raised from the earth subsided with the tears falling from the citizens' (eyes).