Mahabharata 7.170.34

येन ब्रह्मास्त्रविदुषा पाञ्चालाः सत्यजिन्मुखाःकुर्वाणा मज्जये यत्नं समूला विनिपातिताः

yena brahmāstraviduṣā pāñcālāḥ satyajinmukhāḥkurvāṇā majjaye yatnaṃ samūlā vinipātitāḥ

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