Mahabharata 7.147.21
द्रवमाणं तु तत्सैन्यं द्रोणकर्णौ महारथौजघ्नतुः पृष्ठतो राजन्किरन्तौ सायकान्बहून्
dravamāṇaṃ tu tatsainyaṃ droṇakarṇau mahārathaujaghnatuḥ pṛṣṭhato rājankirantau sāyakānbahūn
Our plain-language meaning of this verse is waiting for scholar review.