Mahabharata 12.112.2

भीष्म उवाच · bhīṣma uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्व्याघ्रगोमायुसंवादं तं निबोध युधिष्ठिर

atrāpyudāharantīmamitihāsaṃ purātanamvyāghragomāyusaṃvādaṃ taṃ nibodha yudhiṣṭhira

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