Grammatical Analysis
Kāyagatāsati: [f.] mindfulness directed to the body. Formed by kāya (body) + gata (gone to, directed toward) + sati (mindfulness).
Orthodox Definition
Kāyagatāsati is an exceptionally powerful meditation subject (kammaṭṭhāna). While it can broadly refer to any of the bodily contemplations in the Satipaṭṭhāna Sutta (like posture or breathing), in the strict commentarial tradition of the Visuddhimagga, it refers specifically to the meditation on the 32 parts of the body (hair, nails, teeth, skin, flesh, bones, organs, etc.).
The practitioner mentally dissects the biological frame into these repulsive, impersonal components to shatter the illusion of bodily beauty (subha-saññā) and physical compactness (ghana-saññā).
This meditation serves a dual purpose. For tranquility (samatha), focusing on the repulsive aspects of the parts can lead to the First Jhāna. For insight (vipassanā), recognizing these parts as mere physical matter (rūpa) devoid of a soul leads to the realization of non-self (anattā).
Textual References
- Sutta: Kāyagatāsati Sutta (MN 119) – The definitive discourse outlining the various methods of bodily mindfulness and the massive list of benefits it yields, including immunity to fear and mastery over temperature.
- Canonical: Aṅguttara Nikāya (Ekaka Nipāta) – Where the Buddha declares that whoever has cultivated mindfulness of the body has cultivated all wholesome states leading to the Deathless.
- Commentary: Visuddhimagga (Chapter VIII) – The exhaustive, highly technical manual on exactly how to memorize, recite, and mentally scan the 32 parts.