Mahabharata 17.1.31

श्वा चैवानुययावेकः पाण्डवान्प्रस्थितान्वनेक्रमेण ते ययुर्वीरा लौहित्यं सलिलार्णवम्

śvā caivānuyayāvekaḥ pāṇḍavānprasthitānvanekrameṇa te yayurvīrā lauhityaṃ salilārṇavam

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