Sampasadaniyasutta 7.15

7.15

Puna caparaṃ, bhante, idhekacco samaṇo vā brāhmaṇo vā ātappamanvāya …pe… tathārūpaṃ cetosamādhiṃ phusati, yathāsamāhite citte imameva kāyaṃ uddhaṃ pādatalā adho kesamatthakā tacapariyantaṃ pūraṃ nānappakārassa asucino paccavekkhati:

Furthermore, some ascetic or brahmin experiences that immersion and examines their own body.