The word girl is meant to be one of the two types of sexist major. A girl child becomes a child full of childhood adolescence and childhood.
Generally a woman is said to be a girl till young age. The girl is also known as a daughter. The unmarried woman began to be called a girl from around 1530 CE.
In the case of adults, the word girl is often used to refer to adult women / daughter, among which it is more used for younger people.
See that young girl’s hairline.