* Origins in Oral Tradition: Idioms often stem from everyday experiences, sayings, and metaphors shared within communities. These phrases get passed down through generations, adapting and changing as they go.
* Folk Etymology: Sometimes, the meaning of an idiom is a bit hazy, and people create explanations for them, even if they're not accurate. These explanations can contribute to an idiom's spread and development.
* Cultural Influences: Different cultures have their own unique sets of idioms reflecting their values, history, and worldview. This means idioms are constantly being born and evolving in various communities.
In short, idioms are a collective creation, shaped by the everyday language and experiences of countless individuals over generations.