That refreshing and pleasant climate of fall in Kanji

In autumn, the sky is clear and the weather is pleasant, which means that appetite increases and horses grow fatter. When a migratory high pressure system that grows on the continent gently covers the vicinity of Japan, dry and refreshing air spreads. The clear autumn sky is clear blue and the sky looks high. It seems that the comfortable temperature and moderate humidity stimulate the appetite.

It wasn’t originally meant to be as comfortable as it is now. “天高馬肥” is derived from a sentence in the “Chinese book” by Toshingen, a poet of the Tang Dynasty of China.
“雲浄妖星落　秋高塞馬肥”
“妖星” refers to an ominous star (such as a comet or meteor) that was believed to be a harbinger of bad luck, and “塞馬” refers to a horse from the north (here, the horse of the nomadic horse tribe, the Xiongnu). I will point In autumn, the enemy (xiongnu) will attack on fat and strong horses, so beware.

Japanese calls “Ten Ko ba hi”.