The Tipiṭaka in Three Languages

Paccanīyapaṭṭhāna · Section 9

Abhidhammapiṭaka · Paṭṭhāna (6) · Vol. 45 · Section 9

[9] A not-wholesome (na-kusala) phenomenon (dhamma) is a condition (paccaya) for a not-wholesome phenomenon by root condition (hetu-paccaya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places