The British English word mob, for instance, is derived from the Latin phrase mobile vulgus, meaning fickle common people.
What is the meaning of mobile vulgus?
Insofar as it represents a pejorative for majoritarianism, it is akin to the Latin phrase mobile vulgus, meaning "the fickle crowd" from which the English term "mob" originally was derived in 1680s, during the Glorious Revolution.
What is mob from Latin?
From Middle English mob, short for mobile, from Latin mōbile (vulgus) (“fickle (crowd)”).