When you are born, you get a name from your parents. This name is called your family name or last name. Sometimes, your family name comes from your ancestors who lived a long time ago. Family name etymology is the study of where your family name came from and what it means.
Let's say your family name is Smith. A long time ago, there were people who worked with metal, like making horseshoes or tools. They were called "smiths." These smiths were important people in their community and their work was respected. Over time, people started using "Smith" as a family name because they wanted to honor their smith ancestor.
Now, let's say your family name is Gonzalez. This name comes from Spain and it means "son of Gonzalo." Gonzalo was a popular name in Spain a long time ago. So, people started using "Gonzalez" to show they were the sons of a man named Gonzalo.
Family name etymology is important because it helps us understand where our ancestors came from and what kind of work they did. It also helps us connect with our family history and understand how our family has changed over time.