Mahabharata 12.178.10
अपानप्राणयोर्मध्ये प्राणापानसमाहितःसमन्वितः स्वधिष्ठानः सम्यक्पचति पावकः
apānaprāṇayormadhye prāṇāpānasamāhitaḥsamanvitaḥ svadhiṣṭhānaḥ samyakpacati pāvakaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book