First, the source of Chinese characters
"Kang" is the original word of "agriculture" and "chaff" is a variant of "agriculture". When the original meaning of "Kang" disappeared, seal script was replaced by "He". The variant word "bran" in regular script uses "rice" instead of "valley", emphasizing that "bran" is the crumb produced by mashing millet.
Second, word formation
Kangning, well-off, recreation, rehabilitation, recreation, etc.
Third, the evolution of glyphs (as shown in the figure)
Extended data:
1. corning [kāng níng]?
Healthy and peaceful.
Second, a well-off society [xi m m ? o k ā ng]?
1, a lower-level society than what Confucianism calls "great harmony".
2, refers to the family economic situation that can maintain a medium standard of living.
Third, recreation [kāng lè]?
Happiness.
Fourth, rehabilitation [kā ng fu]?
Restore health.
Verb (abbreviation for verb) can be a canto?
A wide and smooth road.