Mahabharata 1.138.13

स तत्र पीत्वा पानीयं स्नात्वा च भरतर्षभउत्तरीयेण पानीयमाजहार तदा नृप

sa tatra pītvā pānīyaṃ snātvā ca bharatarṣabhauttarīyeṇa pānīyamājahāra tadā nṛpa

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