It was from this linguistic root that, during the Middle Ages, the name Vosges emerged in the French-speaking area and Wasgen or Wasigenwald, later also Wasgau, in the German-speaking region.
The name Vosges originated from a linguistic root that was used in the French-speaking area during the Middle Ages as "Vosges," while in the German-speaking region it evolved into "Wasgen" or "Wasigenwald," later becoming "Wasgau."