Pi, a common Chinese word (first-class word), was first seen in Oracle Bone Inscriptions. The original intention is to skin animals by hand; Later, it was biologically extended to a layer of tissue on the surface of animals or plants-cortical tissue, which generally refers to the surface; Pi is also a China surname.
Interpretation of ancient books
The origin of Chinese characters
Skin is the skin of people who skin animals. To save the sound.
Notes on Shuo Wen Jie Zi
Skin is the skin of people who skin animals.
Peeling. It means separating the skin from the meat. Yunge, analyze the words and go to Mao Yuege. The unified statement is just nothingness. Cloud is a person. Those who take animal skins are called skins. Leather, square. Analysis also. See Kimbe. Therefore, it is regarded as skin. Extending the surface of everything is called skin. Everything removed from the surface is also called skin. What is Wang Ce in the Warring States Period? This is a promise, put down the mulberry skin and explain the famous saying: skin is everything.
Satsuke
Hands and hands. So peel it off.
Save your voice.
Charm is cut. There are seventeen ancient sounds. All skin belongs to skin.
Idiom of pi:
Proud, obscene, raw, slightly cooked fur, tiger skin seeking skin, tender skin, radish pulling, wide area, old face, smirking, people separated from the belly, it is difficult to draw bones from tiger skin, smiling without smiling, dog skin plaster, plastic nail, tender skin, leopard skin dead skin, tiger skin sheep skin, sticky bones, thick skin old skin.