[473] Which, on that occasion, is contact (phassa)?
That which on that occasion is contact, contacting, the act of contacting, the state of being in contact — this, on that occasion, is contact.
Which, on that occasion, is feeling (vedanā)?
That which on that occasion is the bodily discomfort, the bodily pain born of contact with the appropriate element of body-consciousness (tajjā-kāyaviññāṇadhātu-samphassajaṃ); the disagreeable, painful experience born of body-contact (kāyasamphassa); the disagreeable, painful feeling born of body-contact — this, on that occasion, is feeling. …
Which, on that occasion, is pain (dukkha)?
That which on that occasion is the bodily discomfort, the bodily pain; the disagreeable, painful experience born of body-contact; the disagreeable, painful feeling born of body-contact — this, on that occasion, is pain. …
Which, on that occasion, is the faculty of pain (dukkhindriya)?
That which on that occasion is the bodily discomfort, the bodily pain; the disagreeable, painful experience born of body-contact; the disagreeable, painful feeling born of body-contact — this, on that occasion, is the faculty of pain. …
Or whatever other dependently arisen immaterial phenomena (dhammā) there are on that occasion — these phenomena are indeterminate (abyākata).
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.