A noun meaning “bond” derived from primitive ᴹ✶wedā (Ety/WED). Here the [[ilk|initial [w] became [gw]]], and the [[ilk|[d] spirantalized to [ð]]].
Doriathrin
gwind
adjective. pale blue
gwedh
noun. bond
lûn
adjective. pale
A Doriathrin adjective for “pale” derived from primitive ᴹ✶lugni, a revision of the form luin that appeared in The Etymologies as published in The Lost Road (Ety/LUG², EtyAC/LUG²). The revision of [ui] >> [ū] probably reflects Tolkien’s vacillation on how primitive [[ilk|[g] vocalized before [m], [n]]] in Ilkorin. The earlier form of this word might an element in the name Draugluin “Werewolf” (LR/134), which in earlier writings was glossed “Werewolf Pale” (LB/205). The early Noldorin word ᴱN. lhui “pale” might be a precursor to it (PE13/149).
An adjective for “pale blue” derived from the root ᴹ√GWINDI, rejected along with its root (EtyAC/GWINDI).