Mahabharata 13.78.14

अपां फेनसवर्णां तु सवत्सां कांस्यदोहनाम्प्रदाय वस्त्रसंवीतां वारुणं लोकमश्नुते

apāṃ phenasavarṇāṃ tu savatsāṃ kāṃsyadohanāmpradāya vastrasaṃvītāṃ vāruṇaṃ lokamaśnute

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