Mahabharata 13.51.42

ततस्तौ गविजश्चैव च्यवनश्च भृगूद्वहःवराभ्यामनुरूपाभ्यां छन्दयामासतुर्नृपम्

tatastau gavijaścaiva cyavanaśca bhṛgūdvahaḥvarābhyāmanurūpābhyāṃ chandayāmāsaturnṛpam

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