Mahabharata 12.148.26

अपि वाप्सु निमज्जेत त्रिर्जपन्नघमर्षणम्यथाश्वमेधावभृथस्तथा तन्मनुरब्रवीत्

api vāpsu nimajjeta trirjapannaghamarṣaṇamyathāśvamedhāvabhṛthastathā tanmanurabravīt

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