bievre m (oblique plural bievres, nominative singular bievres, nominative plural bievre)
Of Germanic origin, from Low Frankish *bever, bibar (“beaver”), from Proto-Germanic *bebruz (“beaver”), from Proto-Indo-European *bhebhrus (“beaver”). Akin to Old High German bibar (German Biber "beaver"), Middle Dutch bēver (Dutch bever "beaver"), Old English beofor (“beaver”). More at beaver.