Complex sentence: The Latin term "Scotti" refers to the "Scotti", the Gaelic cultural group who existed in Ireland and in western Scotland, and in early mediavel times Ireland was known, not only as Éire, but also as Scotia.
Split into simpler sentences: The Latin term "Scotti" refers to the "Scotti", the Gaelic cultural group who existed in Ireland and in western Scotland. In early mediavel times Ireland was known, not only as Éire, but also as Scotia.