The Tipiṭaka in Three Languages

Hetudukaajjhattāraṁmaṇattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 855

[855] Dependent on a phenomenon (dhamma) that is a root (hetu) and has an external object (bahiddhārammaṇa), a phenomenon that is a root and has an external object arises, 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English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.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