The Tipiṭaka in Three Languages

Cittuppādakaṇḍa

Abhidhammapiṭaka · Dhammasaṅgaṇī · Vol. 34 · Section 30

[30] Which, on that occasion, is the concentration faculty (samādhindriya)? That which on that occasion is stability of mind (citta), steadiness, steadfastness, non-wavering, non-distraction, the state of unwavering mentality, calm (samatha), the concentration faculty, the concentration power (samādhibala), right concentration (sammāsamādhi) — this, on that occasion, is the concentration faculty.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places