How to pronounce the word' official' in Bai family name!

The origin of Huàn's surname is very pure, one origin:?

From an official family other than eunuchs, the official name is called surname. During Zheng De's reign in Daming, the emperor named him Prince Taibao. Official surnames became popular. According to five surname books in Qing Dynasty, the official surname should be taken as an official, not a eunuch. Today, Zunyi, Guizhou has this surname, and there are many in Danyang and Jiangdu, Jiangsu. "And" Shi Yuan "contains:" Official surname, noble family from Dongyang. "Jiangyin County Records" contains: "In the second year of Yongle in the Ming Dynasty, I was a sergeant, and the word Zongxi. "

The extended information officer is a Chinese character, pronounced Hu an, meaning to be a slave of a slave owner or emperor, and extended to an official. According to Records of the Historian, Biography of Lisi, Hanshu and Huidiji.

(I know. It's from Mi mián, which means it has something to do with the family house. From the minister. I am a slave. Together, it means domestic servant. Original meaning: to be a slave of a slave owner or emperor)

The same meaning [as a slave]

He is an official in Wu with him. -"Mandarin Vietnamese".

Note: "I am also a minister."

Another example is the official daughter (the female slave who serves the palace)

Study official affairs [government services]

Official, official also. ..... an officer who is still studying hard today. -"Shuo Wen"

I have been an official for three years. -"Three Years of Zuo Zhuan Gong Xuan".

Note: "Learning is also." Official scholar. -"Book of Rites Quli"