प्राप हाचर्यकुलं तमाचर्योऽभ्युवाद सत्यकाम३ इति भगव इति ह प्रतिशुश्राव ॥ ४.९.१ ॥
In plain words
He came to the teacher's house. The teacher said to him, "Satyakāma!" "Sir," he answered.
The commentators
Chāndogyopaniṣadbhāṣyam· bhāṣya
स एवं ब्रह्मवित्सन् प्राप ह प्राप्तवानाचार्यकुलम् । तमाचार्योऽभ्युवाद सत्यकाम३ इति ; भगव इति ह प्रतिशुश्राव ॥
In plain words
Being thus established in the knowledge of Brahman, he reached the teacher's home. The teacher addressed him: 'Satyakama!' 'Venerable sir,' he replied.
Close to the Sanskrit
He being thus a knower of Brahman reached indeed, having attained the teacher's house. Him the teacher addressed: O Satyakama3! Venerable sir, thus indeed he replied.