Mahabharata 9.16.83
अश्वत्थामा ततो राज्ञा हताश्वं विरथीकृतम्समपोवाह हार्दिक्यं स्वरथेन युधिष्ठिरात्
aśvatthāmā tato rājñā hatāśvaṃ virathīkṛtamsamapovāha hārdikyaṃ svarathena yudhiṣṭhirāt
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book