Mahabharata 12.164.9

अथोपविष्टं शयने गौतमं बकराट्तदापप्रच्छ काश्यपो वाग्मी किमागमनकारणम्

athopaviṣṭaṃ śayane gautamaṃ bakarāṭtadāpapraccha kāśyapo vāgmī kimāgamanakāraṇam

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