Mahabharata 3.109.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

ततः प्रयातः कौन्तेयः क्रमेण भरतर्षभनन्दामपरनन्दां च नद्यौ पापभयापहे

tataḥ prayātaḥ kaunteyaḥ krameṇa bharatarṣabhanandāmaparanandāṃ ca nadyau pāpabhayāpahe

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