ᴹQ. Martalmar loc. “Roots of the Earth”
The “veins of the world” in some cosmological notes from the 1930s (SM/241-2, 255), also appearing in The Etymologies as combination of mar “world” and the plural of talma “root” (Ety/TAL).
References ✧ Ety/TAL; SM/241; SMI