Tradition (noun)

1. A long-established custom or belief that has been passed down from generation to generation.
2. A particular custom, practice, or belief associated with a particular society, place, or time.

Origin:

Late middle english: from latin traditio(n-), from tradere "deliver, hand over".

Examples:

1. It was a tradition to eat fish on Friday.
2. The tradition of giving gifts at Christmas goes back hundreds of years.
3. Many young people are losing touch with the traditions of their culture.
4. The tradition of burning effigies is an old Hindu custom.
5. The tradition of wearing a white wedding dress began in the early 19th century.