Mahabharata 14.95.4

वैशंपायन उवाच · vaiśaṃpāyana uvāca

अत्राप्युदाहरन्तीममितिहासं पुरातनम्अगस्त्यस्य महायज्ञे पुरावृत्तमरिंदम

atrāpyudāharantīmamitihāsaṃ purātanamagastyasya mahāyajñe purāvṛttamariṃdama

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