The name Eder has its origins in the Hebrew language, tracing back to ancient times. It is derived from the Hebrew word "Eder," which means "flock" or "herd." This name likely originated among pastoral communities in the Middle East, where shepherding was a significant part of their way of life.

One of the earliest recorded mentions of the name Eder can be found in the Bible. In the Book of Genesis, there is a reference to a place called "Eder" or "Migdal-Eder," which means "Tower of the Flock." This was a location near Bethlehem where shepherds would gather with their flocks.

In the Hebrew Bible, there is also a character named Eder, mentioned in the Book of Joshua. He was one of the sons of Ephraim and a descendant of Joseph. While not much is known about this individual, his name serves as an early example of the use of Eder as a personal name.

Throughout history, there have been several notable individuals who bore the name Eder. One of the earliest recorded was Eder of Saxony, a German nobleman who lived in the 11th century. He was a prominent figure in the Holy Roman Empire and served as a count under the reign of Emperor Henry IV.

Another noteworthy bearer of the name was Eder López, a Spanish explorer and navigator who lived in the 16th century. He accompanied Ferdinand Magellan on his famous voyage around the world and played a crucial role in the expedition's success.

In the realm of literature, Eder Nolasco was a celebrated Brazilian poet and writer born in 1895. His works, which often explored themes of love and nature, were widely acclaimed during his lifetime and continue to be studied and appreciated today.

Eder Jofre, born in 1936, was a Brazilian professional boxer who held the WBC and WBA featherweight titles in the 1960s. He was known for his exceptional defensive skills and is considered one of the greatest featherweights in boxing history.

More recently, Eder Militão, born in 1998, is a Brazilian professional footballer who currently plays as a defender for Real Madrid. He has represented the Brazilian national team and is regarded as one of the most promising young talents in world football.