The Tipiṭaka in Three Languages

Parittattika

Abhidhammapiṭaka · Paṭṭhāna (2) · Vol. 41 · Section 1402

[1402] Conjoined (saṃsaṭṭha) with an immeasurable phenomenon (appamāṇo dhammo), an immeasurable phenomenon arises not by prenascence condition (na-purejāta-paccayā): In the immaterial (arūpa) [plane], three aggregates (khandhā) [arise] conjoined with one immeasurable aggregate.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places