bhavantau - You two; kila - indeed; viśvasya - of the entire; jagataḥ - universe; kāraṇam - the cause; param - ultimate; avatīrṇau - having descended; iha - here; amśena - with Your plenary portions; kṣemāya - for the benefit; ca - and; bhavāya - for the prosperity; ca - also.

You two Lords are the ultimate cause of this entire universe. To bestow sustenance and prosperity upon this realm, You have descended with Your plenary expansions.