JhānavibhaṅgaSuttantabhājanīya

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 660

[660] "Internally" (ajjhattaṃ): that which is internal, personal to oneself. "Serene confidence" (sampasādanaṃ): that which is faith (saddhā), the act of trusting, settled conviction, full confidence.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.