MN 39

divasaṃ caṅkamena nisajjāya āvaraṇīyehi dhammehi cittaṃ parisodhessāma

MN 61

ye'pi hi keci, rāhula, anāgatam'addhānaṃ samaṇā vā brāhmaṇā vā kāyakammaṃ parisodhessanti… sabbe te evam'evaṃ paccavekkhitvā paccavekkhitvā kāyakammaṃ parisodhessanti