The Tipiṭaka in Three Languages

Sekkhattika

Abhidhammapiṭaka · Paṭṭhāna (2) · Vol. 41 · Section 1233

[1233] A trainee (sekkha) phenomenon (dhamma) is a condition for a trainee phenomenon by root condition (hetu-paccaya). Trainee roots (hetū) are a condition for the associated aggregates (khandhā) by root condition.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places