Small question: I recall there being a named term for organizations that outlive their usefulness and sometimes become parasitic on their original mission. Is

Small question: I recall there being a named term for organizations that outlive their usefulness and sometimes become parasitic on their original mission. Is this the same as the Shirky Principle? I was introduced to this term many years ago, so I think it's older than Shirky. Any idea what this might have been?