Mahabharata 7.101.5

तमभ्ययाद्बृहत्क्षत्रः केकयानां महारथःभ्रातॄणां वीरपञ्चानां ज्येष्ठः समरकर्कशः

tamabhyayādbṛhatkṣatraḥ kekayānāṃ mahārathaḥbhrātṝṇāṃ vīrapañcānāṃ jyeṣṭhaḥ samarakarkaśaḥ

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