What is "douvan"

Douvan (foaled 9 May 2010) is a French-bred, Irish-trained Thoroughbred racehorse. He was originally trained in France before moving to Ireland in the summer of 2014. After finishing second on his debut he won his remaining five races over hurdles including the Moscow Flyer Novice Hurdle, Supreme Novices' Hurdle and Herald Champion Novice Hurdle. In the following year he was switched to steeplechasing and won his first six starts including the Racing Post Novice Chase, Arkle Novice Chase, Arkle Challenge Trophy, Maghull Novices' Chase and Ryanair Novice Chase.