The Tipiṭaka in Three Languages

Hetudukasanidassanasappaṭighattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 875

[875] Dependent on a not-root (na-hetu) phenomenon (dhamma) that is invisible and non-impinging (anidassana-appaṭigha), a not-root phenomenon that is invisible and non-impinging arises, not by root condition (na-hetupaccayā). Dependent on a not-root phenomenon that is invisible and non-impinging, a root (hetu) phenomenon that is invisible and non-impinging arises, not by root condition.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places