expansive earth —

 the vast earth —

five great elements which are the cause for the spherical universe —

the seven dhvīpams (islands) such as jambhūdhvīpam etc —

(abode of such darkness) earth —

earth (which is an effect of water) —

being the indwelling soul for earth —

while being flattened —

in the earth —

 earth —

 for earth —

he is also the bhūmi (earth) —

and the earth —