S. glathralvas n. “flashing glass/crystal, *heliograph” (Category: Glass)
A Sindarin heliograph-like device for signaling with light at a distance, similar to Q. naltalma but of independent invention (NM/353). Its initial element is probably based on √Ñ(G)AL “shine” like its Quenya equivalent.
Reference ✧ NM/354 ✧ “flashing glass/crystal, *heliograph”
Related
Elements
√Ñ(G)AL | “gleam, sheen, shine (by reflection)” |