vipassanā

“to see into” or “seeing deeply” – meditation techniques that assist one towards mindfulness, and onwards to insight into the true nature of reality: impermanence, unsatisfactoriness, and non-self — through direct perception, as opposed to knowledge derived from reasoning or argument.

( sa: vipaśyanā विपश्यन ; za-cn: guān 觀 ; bo: lhak tong ལྷག་མཐོང་ | en: seeing deeply )

Reference: Vipassana