The Tipiṭaka in Three Languages

Hetudukkusalattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 20

[20] A wholesome (kusala) phenomenon (dhamma) that is not a root (nahetu) is a condition for a wholesome phenomenon that is not a root by absorption condition (jhāna-paccaya): three.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places