The works of Ādi Śaṅkarācārya

Chāndogyopaniṣadbhāṣyam

Bhashya

Bhashya

तथोद्गाता पप्रच्छ कतमा सा उद्गीथभक्तिमनुगता अन्वा-यत्ता देवतेति ॥

In plain words

Then the udgātā asked: Which is the deity connected with this part of the udgītha?

Close to the Sanskrit

Thus the udgātā asked: Which is that deity who is followed by and connected to the udgītha division?