The word for "new" is one of the oldest unchanged words in human language — PIE *néwos has barely shifted in 6,000 years across dozens of languages.
New or newly arrived, typically used in borrowed French phrases like nouveau riche or Art Nouveau.
From French nouveau meaning new, from Latin novellus meaning new, young, fresh, diminutive of novus meaning new Key roots: *néwos (Proto-Indo-European: "new").