atha-thereafter; udadheh-from the ocean of milk; mathyamanat-while being churned; kasyapaih-by the sons of Kasyapa, namely the demigods and the demons; amrta-arthibhih-anxious to get nectar from the churning; udatisthat-there appeared; maharaja-O King; purusah-a male person; parama-highly; adbhutah-wonderful.