Mien (noun)

A person's appearance, bearing, or manner, especially as an indication of their character or attitude.

Origin:

Old english mǣnan, from the germanic base of may, refers to a person's appearance, bearing, or manner, especially as an indication of their character or attitude.

Examples:

1. He had a serious mien that made him appear older than his actual age.
2. Her mien was confident and self-assured, she seemed to be in control of the situation.
3. The mien of the new CEO was one of authority and command.
4. His mien was friendly, but there was a hint of sadness in his eyes.
5. The mien of a person can reveal a lot about their inner state, it's not only about physical appearance, it also includes posture, facial expression and body language.