Mahabharata 12.224.28

एतां द्वादशसाहस्रीं युगाख्यां कवयो विदुःसहस्रं परिवृत्तं तद्ब्राह्मं दिवसमुच्यते

etāṃ dvādaśasāhasrīṃ yugākhyāṃ kavayo viduḥsahasraṃ parivṛttaṃ tadbrāhmaṃ divasamucyate

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