The world is the planet Earth and everything on it, including all people, places, and things. It can also mean a particular group or area of life, like the ‘sports world’ or the ‘music world.’
“World” comes from Old English “weorold,” which originally meant “age of man” or “human life.” Over the centuries, its meaning stretched from human life and history to the whole planet and everything on it.
The word “world” started out talking about people and their time on Earth, not the globe itself. That’s why we still say things like “the world of science” or “the online world”—it’s really about human spaces.
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