Nikkhepakaṇḍa

Abhidhammapiṭaka · Dhammasaṅgaṇī · Vol. 34 · Section 867

[867] Therein, what is serenity (samatha)? That which is stability of mind (citta) … right concentration (sammāsamādhi) — this is called serenity. Therein, what is insight (vipassanā)? That wisdom (paññā) which is the act of understanding … non-delusion, investigation of dhammas (dhammavicaya), right view (sammādiṭṭhi) — this is called insight.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.