Belthil was the silver-flowered tree made by Turgon in memory of Telperion, one of the Two Trees of Valinor. Its mate was Glingal.
Belthil translates to Divine Radiance bel = powers, thil = shine with white or silver light.
 Other versions
Earlier writings name this tree Bansil, but this progressed to Banthil, and finally Belthil.
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Book of Lost Tales Part Two, "The Fall of Gondolin": "Notes and Commentary" , Entries in the Name-list to The Fall of Gondolin, Bansil, p. 214