Mahabharata 7.57.72

ततस्तौ रुद्रमाहात्म्याद्धित्वा रूपं महोरगौधनुर्बाणश्च शत्रुघ्नं तद्द्वंद्वं समपद्यत

tatastau rudramāhātmyāddhitvā rūpaṃ mahoragaudhanurbāṇaśca śatrughnaṃ taddvaṃdvaṃ samapadyata

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