Word Origin & History
languedoc
"language of medieval France south of the Loire," 1664, from Fr. langue d'oc "speech of the south of France," lit. "the language of 'yes,' " from oc the word used for "yes" in southern France, from L. hoc "this;" as opposed to langue d'oïl (Mod.Fr. oui, from L. hoc ille), from the way of saying "yes" in the north of France. The langue d'oïl has developed into standard Modern French.
[lahng-dawk] 
n, lang-gwuh-doh-shuh