The Tarmasundar, or "Roots of the Pillar", were the five ridges that made up the base of the Meneltarma, a mountain in the middle of the island of Númenor. Each root extended in the direction of the five promontories of that island.
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), Unfinished Tales, "A Description of the Island of Númenor"