What is the ancient meaning of the word "Grandpa has no eldest son"

I mean, my father.

Attached:

used at the end of a sentence

name

(voice. From my father, yes. The simplified Chinese character "Wan" is just a symbol. Original intention: father)

Father: "there are twelve volumes of the art of war, with the main names on them."

Grandpa: Grandpa. Grandpa.

Courtesy to elders or elders: Uncle Zhang.

Old name for a bureaucrat, rich man, etc. : grandpa county. Master Shao.

Name of Buddha and God: Buddha. God of wealth