Ideas that are named by adversaries rather than adherents seem to be generally endure longer. Slur names don’t count. Capitalism Neoliberalism Allopathy (mainstream medicine, named by homeopaths) India (named by Persians/Greeks) Cultural Marxism Intellectual Darkweb (new today)
Not sure what you mean. Communism was self-named right? Communist manifesto by Marx? And it lasted only about 150, short by ideology standards