Mahabharata 1.154.7

स नित्यमाश्रमं गत्वा द्रोणेन सह पार्षतःचिक्रीडाध्ययनं चैव चकार क्षत्रियर्षभः

sa nityamāśramaṃ gatvā droṇena saha pārṣataḥcikrīḍādhyayanaṃ caiva cakāra kṣatriyarṣabhaḥ

Our plain-language meaning of this verse is waiting for scholar review.