Mahabharata 3.71.19

सोऽवतीर्य रथोपस्थादृतुपर्णो नराधिपःउपतस्थे महाराज भीमं भीमपराक्रमम्

so'vatīrya rathopasthādṛtuparṇo narādhipaḥupatasthe mahārāja bhīmaṃ bhīmaparākramam

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