se ha extendido

has spread

→ se
phrase Rare #46,612
has spread Used for something that has spread or expanded to a wider area, group, or number of people. The subject usually comes after the verb, as in “Se ha extendido la civilización occidental.”
SP: La noticia se ha extendido rápidamente por toda la ciudad.
EN: The news has spread quickly throughout the city.

Se ha extendido la civilización occidental.

Western civilization has spread.

Ya se ha extendido a la mayoría de los países.

It has already spread to most countries.

El rumor ya se ha extendido.

The rumor has already spread.

Se ha extendido mucho esa costumbre.

That custom has become very widespread.