Mahabharata 5.181.11

ततोऽहमस्त्रं वायव्यं जामदग्न्ये प्रयुक्तवान्प्रत्याजघ्ने च तद्रामो गुह्यकास्त्रेण भारत

tato'hamastraṃ vāyavyaṃ jāmadagnye prayuktavānpratyājaghne ca tadrāmo guhyakāstreṇa bhārata

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