Obsolete term for a state of calmness or peace. In modern Japanese, 静けさ, 平穏, or 平静 are used instead.
In old texts, 寧静 appears as a word expressing peace of mind.
Modern na-adjective/noun for calmness, especially of mind or situation.
A Sino-Japanese compound of 寧 (peaceful) and 静 (quiet). The exact historical derivation is uncertain; it is now obsolete.