The problem with defending the purity of the English language is that English is about as pure as a cribhouse whore. We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and riffle their pockets for new vocabulary.
"Faux Pas" English comes on little fox paws. It sits looking over German and French on silent haunches and then mugs them. -- Apologies to Carl Sandburg