WIKIPEDIA
Thulium |
Tm |
Greek |
Θούλη, Θύλη[62] |
a mythical country |
mythological |
Named after "Thule",
an ancient Roman and Greek name (Θούλη, Θύλη) for a
mythical country in the far north, perhaps Scandinavia.
By the same token, Thulia, its oxide. |