O All Pervading Lord! Thy devotee enters each of the seven sheaths of the cosmic sphere,i.e. earth, water, fire, air, space, the cosmic intelligence, and primordial nature. He enjoys the bliss thereof and transcends them to reach Thy unobstructed state -the merger in Thee, The Supreme Brahman
Meaning of the Sanskrit Words
तस्य च - and of that (Brahmaanda)
क्षिति-पयो-मह:-अनिल-द्यो-महत्-प्रकृति - the spheres namely - earth, water, fire air, space, cosmic intelligence, and the primordial nature
सप्तक-आवृती: - the seven barriers (of the cosmic sphere)
तत्-तत्-आत्मकतया विशन् - transcending by realising his identity with each one of them
सुखी - enjoying bliss
याति - reaches
ते पदम्-अनावृतं - The unobstructed state (beyond all barriers)