The origin of 字, zì, character, has several versions.
One sees the roof under which the child is born because one of the first senses is “born”.
Another explanation: the Elders believed that children should learn the characters “inside”. Older people have more difficulty. As early as Zhou 1100- 256 BCE, upper-class children entered school at the age of eight.
The choice is yours!
Article on character, sorted by radical:
Radical arrow 矢
1rst of August