Mahabharata 4.41.2

ध्वजं सिंहं रथात्तस्मादपनीय महारथःप्रणिधाय शमीमूले प्रायादुत्तरसारथिः

dhvajaṃ siṃhaṃ rathāttasmādapanīya mahārathaḥpraṇidhāya śamīmūle prāyāduttarasārathiḥ

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