folklore

Definitions:

Popular traditions, customs, beliefs, etc.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
Lore or knowledge of the ancient customs, superstitions, etc., of the folk or people.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)

Usage examples:

In its present form it is a product of the age of chivalry, but it reaches back to the earliest epochs of German antiquity, and embraces not only the pageantry of courtly chivalry, but also traits of ancient Germanic folklore and probably of Teutonic mythology.
- The Nibelungenlied by Unknown
A body of proverbs and maxims, forming an extensive section of traditionary folklore was developed.
- How We Think by John Dewey
We must be able to answer the latter question before we may venture to classify the folklore of the Haggada.
- Jewish Literature and Other Essays by Gustav Karpeles