Knife means weapon, and it can also be a tool for cutting, chopping and chopping.

This word first appeared in Shang Dynasty Oracle Bone Inscriptions and Shang Dynasty inscriptions, and its ancient glyph is like a knife. The word "knife" can refer to a weapon or tool used for cutting, chopping and chopping. From the name of the weapon to the use of the army to conquer. "Knife" also refers to an ancient knife-shaped coin, which is called knife coin. "Knife" can also be used as a quantifier. A hundred pieces of paper are a knife.

Trace the source of words:

Ideographic knife, an instrument and weapon, was produced as early as primitive times. The "Dao" on the bronze inscriptions in Shang Dynasty is realistic, with a handle, a blade and a blade. Oracle Bone Inscriptions often omitted the curve of the blade of a knife and became a symbol of the word "knife", which was written by later generations. When this pictograph developed to the stage of Xiao Zhuan in Qin Dynasty, the radian of the back of the knife increased and the prototype of the knife was lost. When it developed to Han Li, it was even harder to see the original Dao. Han Li also wrote the strokes on the back of the knife as a flat pen, which was written in regular script.

The original meaning of "knife", as the name implies, refers to the instruments used for cutting and slaughtering, and is also a weapon. Judging from the use of knives, the "knives" used as weapons should be later than those used in daily life. The "knives" in daily life are general tools for production and life, which can be used for cutting and slaughtering.

For example, Master Zhuangzi said, "When you are young, you should cut the knife." The knives here are daily necessities. The History of Han Criminal Law says: "China's punishment is sawed with a knife." The knife here is a kind of torture. "Knife" is more used to refer to weapons after the Han Dynasty. Just like the "military industry" explained in Shuo Wen Jie Zi, "Dao" is a kind of weapon name related to war.