Mahabharata 8.40.109

रथै रथाश्वसूतैश्च हतारोहैश्च वाजिभिःद्विरदैश्च हतारोहैर्महामात्रैर्हतद्विपैःअन्योन्येन महाराज कृतो घोरो जनक्षयः

rathai rathāśvasūtaiśca hatārohaiśca vājibhiḥdviradaiśca hatārohairmahāmātrairhatadvipaiḥanyonyena mahārāja kṛto ghoro janakṣayaḥ

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