Mahabharata 7.85.72

रथैर्विपरिधावद्भिर्मनुष्यैश्च हयैश्च हसैन्यं रजःसमुद्धूतमेतत्संपरिवर्तते

rathairviparidhāvadbhirmanuṣyaiśca hayaiśca hasainyaṃ rajaḥsamuddhūtametatsaṃparivartate

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