Stop hating on our classy habit vert. French people like having a history, as complex, bloody and sometime shameful it is. We are an old country and we have traditions. The english people have their royal family, the US have their rusty nuclear warheads and we have the institutions de la république.
And there's not much Gaulish influence in French, here is the full (and small) list of words originating from Gaulish: https://fr.wiktionary.org/wiki/Cat%C3%A9gorie:Mots_en_fran%C...