The structure of the word "stupid" has a bamboo prefix on the top and a book on the bottom. Its original meaning is actually related to bamboo. "Shuowen Jiezi" explains the word "stupid" as follows:
"Stupid" refers to the inner layer of bamboo, commonly known as bamboo yellow, which is the part left after the bamboo is killed. It is as thin and white as paper, opposite to bamboo green. bamboo barklightSlippery, while bamboo yellow is rough.
According to the existing historical data, the word "stupid" has stupid and unintelligent meaning since the Jin Dynasty. In Ge Hong's "Holding Puzi · Xingpin", there is a sentence: "The staff is short and many fallacies, and the person who secretly chooses to give up is also stupid." It means that the moral talent he relies on is short and many fallacies, and the person who does not know the right and wrong of the choice is stupid.
In the Song Dynasty's "Collection of Rhymes", it also said: "stupid, not refined." That is, rude. "Slowly, the word" stupid "was extended from the word" bamboo is not refined "to" human is not refined ", which means not smart and not flexible.
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