What term describes the process, considered long-term or permanent in ellipticals, referring to the cessation of star formation in a galaxy?

Answer

Quenching

The concept of a galaxy 'dying' is shorthand for the cessation of star formation, a process known as quenching, which is thought to be long-term or permanent in ellipticals.

What term describes the process, considered long-term or permanent in ellipticals, referring to the cessation of star formation in a galaxy?
galaxyastronomytypestarstellar death