अथ यदवोचं भुवः प्रपद्य इत्यग्निं प्रपद्ये वायुं प्रपद्य आदित्यं प्रपद्य इत्येव तदवोचम् ॥ ३.१५.६ ॥
In plain words
And when I said, "I take refuge in bhuvaḥ," what I said was: I take refuge in fire, I take refuge in the wind, I take refuge in the sun.
The commentators
Chāndogyopaniṣadbhāṣyam· bhāṣya
अथ यदवोच भुव प्रपद्ये इति, अग्न्यादीन्प्रपद्ये इति तदवोचम् ॥
In plain words
Now, when I spoke the words 'I take refuge in bhuvaḥ,' what I meant was simply this: 'I take refuge in Agni and the other deities.'
Close to the Sanskrit
Now, what I spoke as 'I resort to bhuvaḥ',—[by that] I spoke 'I resort to Agni and the other deities'.