tatha-thereafter; agha-vadanat-from the mouth of Aghasura; mrtyoh-death personified; raksitva-after saving; vatsa-palakan-all the cowherd boys and calves; sarit-pulinam-to the bank of the river; aniya-bringing them; bhagavan-the Supreme Personality of Godhead, Krsna; idam-these words; abravit-spoke.