The works of Ādi Śaṅkarācārya

Chāndogyopaniṣadbhāṣyam

Bhashya

Bhashya

चितान् उपचितान्बुद्धिमद्गुणैः स चित्तोपासकः ध्रुवा-नित्यादि च उक्तार्थम् ॥

In plain words

The worlds built of mind and gathered through intelligent qualities—that worshipper of the mind attains steady worlds and the rest. The meaning of this has already been explained.

Close to the Sanskrit

The worlds composed of mind, accumulated through intelligent qualities—that worshipper of the mind attains steady worlds, and so forth; this has its meaning already explained.