[348] Therein, what is ignorance (avijjā)? That which is unknowing, non-seeing, … the bolt of ignorance, delusion, the unwholesome root — this is called ignorance.
Therein, what is the volitional formation (saṅkhāra) with ignorance as condition? That which is volition (cetanā), intending, the state of having intended — this is called the volitional formation with ignorance as condition. …
Therein, what is resolution (adhimokkha) with craving (taṇhā) as condition? That which is resolution of the mind (citta), resolving, the state of being resolved upon that — this is called resolution with craving as condition.
Therein, what is existence (bhava) with resolution as condition? Excluding resolution: the aggregate of feeling (vedanākkhandha), the aggregate of perception (saññākkhandha), the aggregate of volitional formations (saṅkhārakkhandha), the aggregate of consciousness (viññāṇakkhandha) — this is called existence with resolution as condition. …
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English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.