How to pronounce “gros ventre” in English

The stories of the wildlife passed down through modern day Native Americans who have been there recently, in the last 600 or 700 years-- Crows,Gros Ventre, Assiniboine, Flatheads, Pend d'Oreilles.And people then started writing it down, actually the stories, with fur trappers from Hudson Bay Company in the late 1700s, of course