parisianism

\\-ˌnizəm\ noun (-s)

Usage: usually capitalized

Etymology: French parisianisme, from parisien + -isme -ism

1. : the traits of a Parisian

his Parisianism, grafted upon an imperishable brogue, gave to his utterance a very curious charm — Max Beerbohm

2. : a habit or mannerism (as of speech) observable especially in Parisians