An adjective for “grey” derived from primitive ᴹ✶thindi (Ety/THIN) because primitive final vowels vanished in Ilkorin.
Doriathrin
thingol
masculine name. *Grey-wise
tor thingol
proper name. King Thingol
luithien go thingol
Luithien go Thingol
thind
adjective. grey
dior
masculine name. Successor
hedhu
adjective. grey
A Doriathrin adjective for “grey” written heðu in The Etymologies, and derived from the primitive form ᴹ✶khithwa [kʰitʰwa] (Ety/KHIS). This word illustrates several interesting phonetic changes in Ilkorin.
The [[ilk|[i] became [e] before the final [a]]].
Both the aspirates became voiceless spirants: [kʰ-] > [x-] and [-tʰ-] > [-θ-].
Later the [[ilk|initial [x-] became [h-]]].
Meanwhile the [[ilk|medial [-θ-] voiced to [-ð-]]] (“dh”).
The [[ilk|primitive final [a] was lost]].
Afterwards, the resulting [[ilk|final [w] became [u]]].
In most other Doriathrin words, a [[ilk|final [u] from [w] further developed into [o]]]; it is unclear why this change did not occur here.
A title for Thingol appearing in The Etymologies from the 1930s, a combination of tôr “king” with his name (Ety/TĀ, Ety/THIN).