invincible (by anyone) —

incurable diseases and —

 and the devout ascetics —

difficult —

difficult to attain —

difficult to avoid —

unfathomable —

difficult be known —

difficult to be known —

since he (emperumānār) is the head of prapannas, —

the hard to obtain —

the great —

He is precious —

emperuman who is difficult to attain —

gem of a, very rare to beget —

the one who is hard to get using ones own efforts (or emperumān using ḥis efforts), —

with countless —

You cannot be fully praised —

you who is like a rare jewel —

with the great radiance —