Mahabharata 3.195.19

अर्णवं खानयामास कुवलाश्वो महीपतिःकुवलाश्वस्य पुत्रैस्तु तस्मिन्वै वालुकार्णवे

arṇavaṃ khānayāmāsa kuvalāśvo mahīpatiḥkuvalāśvasya putraistu tasminvai vālukārṇave

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