Mahabharata 15.6.27

वैशंपायन उवाच · vaiśaṃpāyana uvāca

ततोऽस्य पाणिना राजा जलशीतेन पाण्डवःउरो मुखं च शनकैः पर्यमार्जत धर्मवित्

tato'sya pāṇinā rājā jalaśītena pāṇḍavaḥuro mukhaṃ ca śanakaiḥ paryamārjata dharmavit

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