Mahabharata 7.165.100
ततो द्रोणो ब्राह्ममस्त्रं विकुर्वाणो नरर्षभःअहनच्छात्रवान्भल्लैः शतशोऽथ सहस्रशः
tato droṇo brāhmamastraṃ vikurvāṇo nararṣabhaḥahanacchātravānbhallaiḥ śataśo'tha sahasraśaḥ
Our plain-language meaning of this verse is waiting for scholar review.