Yao: The last one. For example, there are five brothers and sisters, ranking fifth, and they are called "Laoyao", such as "Wang Laoyao" and "Zhang Laoyao". Chuan Renyun said, "The emperor loves the eldest son and the people love the old." Because "the oldest" and "the cutest" are "the apple of your eye".
Extended data
The relationship between Yao Er and Yao Meier:
"Moore" usually refers to boys, but it can also refer to girls. However, "girl" only refers to girls. Just like "he" can refer to men and women in general, while "she" can only refer to women. If a boy says "Moore" to a girl, it means intimacy, that he is close to you, and it means a little buddy.
The youngest girl in the family, parents or brothers and sisters call her "Yaomeier" to express her love for her young daughter and sister. Outsiders can also call other women "Yaomeier", but they often use surnames, such as Chen Yaomei and Wang Yaomei.
Baidu Encyclopedia-Yaoer