ELI5: Explain Like I'm 5

Folk etymology

Okay kiddo, have you ever heard a word and thought it meant something, but then found out it actually meant something totally different? That's sort of like what folk etymology is.

Folk etymology happens when people hear a word or phrase that they don't understand, and they try to change it into something they do understand. For example, let's say someone hears the word "hippopotamus" but doesn't know what that means. They might try to change the word by breaking it down into two parts they understand, "hippo" (which means horse) and "potamus" (which means river). Even though that's not what the word actually means, they might think that a hippopotamus is some kind of horse that lives in the river.

This kind of thing happens all the time with words and phrases in different languages. Sometimes people will even change words from their own language to try and make them easier to understand. For example, in English, some people say "aluminum" instead of "aluminium" because that's how they think it should be spelled based on other words they know.

Folk etymology can be fun and interesting, but it's important to remember that sometimes it's not always accurate or correct. If you really want to understand a word or phrase, it's best to look it up in a dictionary or talk to someone who knows more about it.