The Tipiṭaka in Three Languages

Hetudukavitakkattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 280

[280] A phenomenon (dhamma) that is a root (hetu) and is accompanied by thought-conception and discursive thought is a condition, by object condition (ārammaṇa-paccaya), for a phenomenon that is a root and is accompanied by thought-conception and discursive thought: nine.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places