Word Study
Thule
CIDE DICTIONARY
Thule, n. [L. Thule, Thyle, Gr. , .].
The name given by ancient geographers to the northernmost part of the habitable world. According to some, this land was Norway, according to others, Iceland, or more probably Mainland, the largest of the Shetland islands; hence, the Latin phrase ultima Thule, farthest Thule. [1913 Webster]
For further exploring for "Thule" in Webster Dictionary Online