In Norse mythology, a dís (“lady”, plural dísir) is a deity, ghost

In Norse mythology, a dís (“lady”, plural dísir) is a deity, ghost, or spirit associated with Fate who can be either benevolent or antagonistic toward mortals. Dísir may act as protective spirits of Norse clans. It is possible that their original function was that of fertility goddesses who were the object of both private and official worship called dísablót, and their veneration may derive from the worship of the spirits of the dead.The dísir, like the valkyries, norns, and vættir.