सञ्जय
In plain words
Sanjaya said: Having spoken thus, O king, Hari, the great Lord of Yoga, revealed to Partha His supreme sovereign form.
Word for word
Having spoken thus, then, O king, Hari, the great Lord of yoga, showed to the son of Pṛthā the supreme sovereign form.
एवमुक्त्वा ततो राजन् महायोगेश्वरो हरिःदर्शयामास पार्थाय परमं रूपमैश्वरम्
Other commentaries
The commentators
▸Bhagavadgītābhāṣyam· bhāṣya
एवं यथोक्तप्रकारेण उक्त्वा ततः अनन्तरं राजन् धृतराष्ट्र, महायोगेश्वरः महांश्च असौ योगेश्वरश्च हरिः नारायणः दर्शयामास दर्शितवान् पार्थाय पृथासुताय परमं रूपं विश्वरूपम् ऐश्वरम् ॥ ९ ॥
In plain words
So Sañjaya said: no sooner had Kṛṣṇa spoken those words, O King Dhṛtarāṣṭra, than Hari, Nārāyaṇa himself, the great Master of all yogic power, showed Arjuna, the son of Pṛthā, his supreme form — the form of the whole universe, the form that belongs to God and to no one else.
Close to the Sanskrit
Thus, having spoken in the manner just described, then, immediately thereafter, O King Dhṛtarāṣṭra — the great Lord of Yoga, that great one, the Lord of Yoga, Hari, Nārāyaṇa — showed, displayed, to Pārtha, the son of Pṛthā, the supreme form, the universal form, the form of the Lord.