Mahabharata 3.38.14

एवमुक्त्वा धर्मराजस्तमध्यापयत प्रभुःदीक्षितं विधिना तेन यतवाक्कायमानसम्अनुजज्ञे ततो वीरं भ्राता भ्रातरमग्रजः

evamuktvā dharmarājastamadhyāpayata prabhuḥdīkṣitaṃ vidhinā tena yatavākkāyamānasamanujajñe tato vīraṃ bhrātā bhrātaramagrajaḥ

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