The Tipiṭaka in Three Languages

Hetudukapītittika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 338

[338] A phenomenon (dhamma) that is a root (hetu), accompanied by pleasure (sukhasahagata), is a condition, by root condition (hetu-paccaya), for a phenomenon that is a root, accompanied by pleasure: three.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places