Mahabharata 3.193.6

कुवलाश्वस्तु पितृतो गुणैरभ्यधिकोऽभवत्समये तं ततो राज्ये बृहदश्वोऽभ्यषेचयत्कुवलाश्वं महाराज शूरमुत्तमधार्मिकम्

kuvalāśvastu pitṛto guṇairabhyadhiko'bhavatsamaye taṃ tato rājye bṛhadaśvo'bhyaṣecayatkuvalāśvaṃ mahārāja śūramuttamadhārmikam

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