The Tipiṭaka in Three Languages

Hetudukahīnattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 645

[645] A middling phenomenon (dhamma) that is a root (hetu) is a condition for a middling phenomenon that is a root, by root condition (hetu-paccaya): three.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places