Oustaloup

== French == === Etymology === Borrowed from Occitan Ostalop. === Proper noun === Oustaloup m or f by sense a surname from Occitan === Further reading === Michel Grosclaude (2003), Dictionnaire étymologique des noms de famille gascons (in French), Orthez: Per Noste, →ISBN, page 203 filae.com Forebears (French)