hi! other responses are welcome (especially to represent various other cultures), but you can get started here
It might also be worth x-posting to /r/AskScience (astronomy)
Alternatively, if you're more interested in the origins of the English word "Earth" and equivalents in other/earlier languages, here are some previous threads on the topic that may be of interest
When and why did people begin referring to our planet as Earth?
When did people start calling our planet 'Earth'? And why did they choose that name?
e: put back the word "Earth" everywhere that my pesky editor stripped out