se ha extendido

has spread

→ se
phrase Rare #46,828
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.

Ya se ha extendido a la mayoría de los países.

It has already spread to most countries.

Se ha extendido la civilización occidental.

Western civilization has spread.

El rumor ya se ha extendido.

The rumor has already spread.

Se ha extendido mucho esa costumbre.

That custom has become very widespread.