Complex sentence: Wyss (Deutsch: "Wyß") is one of the most ancient Swiss-German surnames of Alamanni origin: from a derivative of Proto-Germanic "wīs", "clever", "wise", "knows", "experienced".
Split into simpler sentences: Wyss (Deutsch: "Wyß") is one of the most ancient Swiss-German surnames of Alamanni origin. Respelling of Proto-Germanic "wīs", "clever", "wise", "knows", "experienced".