Ajaan (Thai): Teacher; mentor.

Dhamma: (1) Event; action. (2) A phenomenon in and of itself. (3) Mental quality. (4) Doctrine, teaching. (5) Nibbana (although there are passages in the Pali Canon describing nibbana as the abandoning of all dhammas). Sanskrit form: dharma.

Jhana: Mental absorption. A state of strong concentration focused on a single sensation or mental notion. Sanskrit form: dhyana.

Kamma: Intentional act. Sanskrit form: karma.

Nibbana: Literally, the “unbinding” of the mind from passion, aversion, and delusion, and from the entire round of death and rebirth. As this term also denotes the extinguishing of a fire, it carries connotations of stilling, cooling, and peace. Sanskrit form: nirvana.

Pali: The name of the earliest extant canon of the Buddha’s teachings and, by extension, of the language in which it was composed.

Sutta: Discourse. Sanskrit form: sutra.