What is the origin of 3 billy goats gruff?

The tale of the "Three Billy Goats Gruff" originates from Norwegian folklore and is a popular fairy tale that has been passed down through generations. It was first documented in the late 19th century by the Norwegian folklorist Peter Christen Asbjørnsen and his colleague Jørgen Moe. The story revolves around three goats who outsmart a troll to cross a bridge, symbolizing themes of cleverness and bravery. Its enduring appeal has made it a favorite in children's literature and adaptations worldwide.