Who named earth?

Answer 1

Answer"The International Astronomical Union (IAU) is the major body recognized by astronomers worldwide (formed in 1919), and perhaps by other scientists, as the naming authority for astronomical bodies. In response to the need for unambiguous names for astronomical objects, it has created a number of systematic naming systems for bodies of various sorts."*

"Our own planet is usually named the Earth, or the equivalent in the language being spoken (for instance, two astronomers speaking French would call it la Terre). However, it is only recently in human history that it has been thought of as a planet. The Earth, when viewed as a planet, is sometimes also called by its Latin name Terra."**

"The name Earth originated from the 8th century Anglo-Saxon word erda, which means ground or soil. In Old English the word became eorthe, then erthe in Middle English.[106] Earth was first used as the name of the planet around 1400.

No one seems to know. Back in the 1400's, it was named earth, which means soil or land. It is from the Old Saxon, erta, the Dutch, aerde, and the German, erda.

Answer 2

When there is only one of something, there really isn't any need to name the thing; so, "the Sun", "the Moon" and other singular names. Nobody named this planet, because for most of history people didn't think of it as "a planet"; it was just the ground, the dirt, the earth. The place we stand on.

When we realized that our world is a planet similar to the others, "the Earth" probably seemed a logical extension.