The Compendium of Caraka 8.1.41

8.1.41

saṃsnehya kāyaṃ sapurīṣadoṣaḥ samyak sukhenaiti ca yaḥ sa &bastiḥ/
prasṛṣṭaviṇmūtrasamīraṇatvaṃ rucyagnivṛddhyāśayalāghavāni//

and unctuating the body, that which emerges properly and with ease along with feces and doṣas is an enema.
The elimination of stool, urine, and flatus; increase of appetite and digestive fire; lightness of the viscera;