What is a greek word that means writing about or describing earth Today the study of places and people on relationship between them?

The Greek word you're looking for is γεωγραφία (geographia), which translates to "description of the earth."

This word encapsulates the core of geography as a discipline, encompassing the study of Earth's physical features, human populations, and the complex relationship between them.

Here's a breakdown of the word's etymology:

* γῆ (ge) - earth

* γράφειν (graphein) - to write

Therefore, γεωγραφία literally means "writing about the earth".