Yin (noun)

In Chinese philosophy, yin and yang are concepts used to describe how seemingly opposite or contrary forces are interconnected and interdependent in the natural world, and how they give rise to each other in turn. Yin represents the dark, passive, negative, or feminine principle, while yang represents the light, active, positive, or masculine principle.

Origin:

From chinese yīn ("dark, shady, female"), from old chinese *mjin.

Examples:

1. Yin and yang are often symbolized by a curved line divided into a dark and a light side.
2. Yin is associated with the moon and femininity.
3. Yin and yang are in balance when we live in harmony with nature.
4. Yin is associated with the earth and darkness.
5. Yin and yang are always in a state of change, and are always in balance.