Mahabharata 7.10.20

युधि पञ्चजनं हत्वा पातालतलवासिनम्पाञ्चजन्यं हृषीकेशो दिव्यं शङ्खमवाप्तवान्

yudhi pañcajanaṃ hatvā pātālatalavāsinampāñcajanyaṃ hṛṣīkeśo divyaṃ śaṅkhamavāptavān

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