[324] Therein, what is ignorance (avijjā)?
That which is absence of knowledge (aññāṇa), absence of vision, … the bolt of ignorance, delusion, the unwholesome root — this is called ignorance.
Therein, what is the volitional formation (saṅkhāra) with ignorance as condition (paccaya), associated with ignorance?
That which is volition (cetanā), intention, the state of intending — this is called the volitional formation with ignorance as condition, associated with ignorance.
Therein, what is consciousness (viññāṇa) with the volitional formation as condition, associated with the volitional formation?
That which is mind (citta), mentality (mano), mentation (mānasa), … the corresponding mind-consciousness element (manoviññāṇa-dhātu) — this is called consciousness with the volitional formation as condition, associated with the volitional formation.
Therein, what is name-and-form (nāmarūpa) with consciousness as condition — name being associated with consciousness?
There is name; there is form (rūpa).
Therein, what is name? The feeling aggregate (vedanākkhandha), the perception aggregate (saññākkhandha), the aggregate of volitional formations (saṅkhārakkhandha) — this is called name.
Therein, what is form? The growth (upacaya) of the eye sense base (cakkhāyatana), … the growth of the body sense base (kāyāyatana); or whatever other form there is, born of mind, having mind as its cause, originated by mind — this is called form.
Thus, this name and this form — this is called name-and-form with consciousness as condition, name being associated with consciousness.
As for "the sixth sense base (chaṭṭhāyatana) with name-and-form as condition, associated with name": there is name; there is form.
Therein, what is name? The feeling aggregate, the perception aggregate, the aggregate of volitional formations — this is called name.
Therein, what is form? That form in dependence on which the mind-consciousness element occurs — this is called form.
Thus, this name and this form — this is called name-and-form.
Therein, what is the sixth sense base with name-and-form as condition, associated with name?
That which is mind, mentality, mentation, … the corresponding mind-consciousness element — this is called the sixth sense base with name-and-form as condition, associated with name.
Therein, what is contact (phassa) with the sixth sense base as condition, associated with the sixth sense base?
That which is contact, touching, contacting, the state of being in contact — this is called contact with the sixth sense base as condition, associated with the sixth sense base. …
Therefore it is said: "Thus is the origin (samudaya) of this whole mass of suffering (dukkha)."
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.