The Tipiṭaka in Three Languages

Paccanīyapaṭṭhāna · Section 135

Abhidhammapiṭaka · Paṭṭhāna (6) · Vol. 45 · Section 135

[135] Dependent on a phenomenon (dhamma) that is not derived (na-upādā), a phenomenon that is not derived arises by root condition (hetupaccayā). Dependent on a phenomenon that is not derived, a phenomenon that is not underived (na-no-upādā) arises by root condition. Dependent on a phenomenon that is not derived, a phenomenon that is not derived and a phenomenon that is not underived arise by root condition. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places