The Tipiṭaka in Three Languages

Suññatavāra

Abhidhammapiṭaka · Dhammasaṅgaṇī · Vol. 34 · Section 294

[294] What on that occasion is wrong concentration (micchāsamādhi)? That which on that occasion is stability of mind (citta), steadfastness, steadiness, non-wavering, non-distraction, the state of an unwavering mind, calm (samatha), the concentration faculty (samādhindriya), the power of concentration (samādhibala), wrong concentration — this on that occasion is wrong concentration.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places