There isn't an universally agreed upon name for the planet we live on.

>No single civilization coined the term,

The english-speaking people coined the term. Everyone else use other terms.

>“Earth” reflects our shared journey to understand the limitless dimensions of our home.

There is nothing limitless with the little rock we live on. This article mainly shows we are stuck on the same rock with people thinking their own way nobody else share is universal. It feels like an overcrowded cell.

It was named by Deep thought and built by the Magratheans.

https://en.wikipedia.org/wiki/List_of_The_Hitchhiker%27s_Gui...

Apologies if this low effort reply is not welcome here.

There’s a Stainless Steel Rat reference also, talking about the mythical origin world. Paraphrasing, “called Earth, or Dirt, or something like that”.

Answer: the Greeks discovered and named Earth.

'Discovered' is doing a lot of heavy lifting in this sentence.

Terra is the name in westerndom, and we use it as the west is the spiritual the successor to the Roman Empire.