What is the meaning of the word "yama"?

Definitions:

In Buddhism, is a deity that presides over hell. NOUN
- In Buddhism, Yama is known as Enma, and is depicted as stern judge who decides the fate of sould.
In Hinduism, is the god of death, the first mortal who died and became the ruler of the dead. NOUN
- Yama's adobe, called Yama Loka, is believed to be the realm of departed spirits.
In Japan, it means 'mountain'. NOUN
- Yama, a Japanese mountain, is renowned for its challenging hiking trails and stunning views.
In Yoga philosophy, is the first of the eight limbs of yoga and it refers to ethical standards for living, including values like non-violence, truthfulness, non-stealing, continence, and non-covetousness. NOUN
- Practicing the Yamas, helps individuals lead a more ethical and harmonious life.