Jian
Jian, written 劍 in traditional Chinese and 剑 in simplified, refers to a straight, double-edged Chinese sword. It is one of the most enduring weapons in Chinese martial culture and is distinct from the dao, a curved, single-edged sword. The jian is widely used in Chinese martial arts and is often associated with scholars and refined technique; forms featuring the jian are central to taijiquan and many wushu routines.
Design and construction vary by period, but typical blades are straight and double-edged with a relatively
Historical records show the jian in use as early as the Spring and Autumn period (c. 770–476
In addition to the weapon, Jian is also a Chinese given name and, less commonly, a surname.