Aro Dictionary

Shi-nè literally means ‘peaceful abiding’ in Tibetan. It refers to the direct perception of emptiness without conceptual interpretation. It also refers to several meditation methods that aim to find this experience by stilling the mind. Shi-nè is the first of the four naljors of Dzogchen sem-dé. The second is lhatong.
The Tibetan spelling is zhi gNas.
The equivalent Sanskrit term is shamatha.