It has been referred to (in whatever language) as "the sun" since time immemorial - no one knows how it started, and the etymology of the word is vague.
we call the sun a star
Sun= sol The sun= el sol
The sun visor.
We call it the Solar system.
I call it sunrise
No. The sun is a circle not square. It is round, what you can call spherical.
The Sol Invictus. The unconquered sun
Because the Latin word for sun is sol
El sol is the term for the sun in Spain.
The sun came from saun but English call it sun
The star that Earth orbits is the only star that we call the sun. That said, if you lived on a planet orbiting another star, you would probably call that star the sun.
"Sol".