Medieval Icelandic refers to the Old Norse language as it was spoken and written in Iceland from the 12th to the 16th centuries. This period saw the development of a rich literary tradition, including famous works like the Sagas of the Icelanders and Eddaic poetry. The language is characterized by its complex grammar and vocabulary, which differ significantly from modern Icelandic. The language was primarily written in the Latin alphabet, adapted to represent specific sounds in Old Norse. Medieval Icelandic played a crucial role in preserving Norse mythology and history, influencing later Scandinavian languages and cultures. Its study provides valuable insights into the social and cultural life of medieval Iceland.