sili

root. *gleam

sḷtḷ

root. *sift

The unglossed root ᴱ√SḶTḶ appeared in the Qenya Lexicon of the 1910s with derivatives like ᴱQ. silt- “sift, sort out, winnow” and ᴱQ. silta “sieve” (QL/84). Gnomish words G. thlid “sieve” and G. thlid- “to sort out, sift, sieve, discriminate” from contemporaneous Gnomish Lexicon are clearly related, and the archaic past form salti (later thlinti) confirms the root was actually ᴱ√SḶTḶ (GL/73). A last hint of this root can be seen in ᴱQ. silte “sift” < ᴱ✶sḷt- with past salsie, a verb form appearing in the Early Qenya Grammar of the 1920s (PE14/58).

Neo-Eldarin: I think it is worth positing a Neo-Root ᴺ√SILIT “sift” to salvage some of these early words.

katya

root. *gleam

An unglossed root in the Qenya Lexicon of the 1910s with derivatives ᴱQ. kate “gleam, ray” and ᴱQ. katinka “candle” (QL/45). There are no signs of this root in Tolkien’s later writing.

kṇðṇ

root. shine

A root in the Qenya Lexicon of the 1910s given as ᴱ√KṆŘṆ “shine” with derivatives in both Qenya and Gnomish, such as ᴱQ. kanda- “blaze”, G. cintha- “to light, set alight”, ᴱQ. kanwa “lurid”, and G. cantha “flame” (QL/47; GL/25-26). It may be a variant of ᴱ√KṚN “✱red” (QL/48). There are no signs of this root in Tolkien’s later writing.

kṇřṇ

root. shine

niqi

root. white

t’lépe

noun. silver