Kôr
From Tolkien Gateway
Kôr was the earlier name for the hill Túna.
It is featured prominently in the The Book of Lost Tales 1 as the capital of the Gnomes in Valinor.
Etymology
In the etymology of Tolkien's earliest languages, the name of the hill of Kôr refers to its roundness. It is derived from Primitive Elvish name Guord from which came Qenya Qora and Gnomish Gwar.[1]