Bhagavad Gita 1.3 Chapter 1, Verse 3

पश्यैतां पाण्डुपुत्राणामाचार्य महतीं चमूम् ।
व्यूढां द्रुपदपुत्रेण तव शिष्येण धीमता ॥१.३॥

paśyaitāṃ pāṇḍuputrāṇāmācārya mahatīṃ camūm
vyūḍhāṃ drupadaputreṇa tava śiṣyeṇa dhīmatā

Meaning

Look, O teacher, at this mighty army of the sons of Pandu, arrayed by your own gifted pupil, Dhrishtadyumna the son of Drupada.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 1.3 (Chapter 1, Arjuna's Despair (Arjuna Vishada Yoga), Verse 3)