How did the idiot come from?

Northeast dialect, also called silly old hat, is pronounced as "shamao" to derogate from others. Example: This man is really an idiot. Idiot's will:

"Stupid": stupid and confused;

Hat: A hat, something that behaves or looks like a hat.

"Idiot" is meaningless.

Stupid wishes are: stupid, confused, reckless, rash.

There are several versions of origin, just one: the original version of stupidity originated in Russia. That's a China profiteer who went to Russia to do business. He met the cold and snowy weather of MINUS 30 degrees. He didn't wear a hat when he went out to deliver the goods He was so cold that he covered his ears and ran straight in the snow. Suddenly, he cut a Russian and put a fur hat on his head. Kay obviously means that at this time tomorrow, you will come here and give me back my hat. However, the next day, instead of returning the hat, the grandfather proudly said to another grandfather in China, "Guess how the word' idiot' came from? Fool hat-fool, concave ha ha ... "