Mahabharata 1.123.9

तस्य तत्कौशलं दृष्ट्वा धनुर्वेदजिघृक्षवःराजानो राजपुत्राश्च समाजग्मुः सहस्रशः

tasya tatkauśalaṃ dṛṣṭvā dhanurvedajighṛkṣavaḥrājāno rājaputrāśca samājagmuḥ sahasraśaḥ

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