An untranslated word appearing in notes on The Feanorian Alphabet from the late 1940s or early 1950s (PE23/26). It might be a later iteration of G. adhwen “approach, avenue” from the 1910s, or is perhaps related to S. adu and ᴹQ. atwa “double”.
Noldorin
thû
masculine name. Thû
thû
noun. stench
thû
noun. stench
thûl
noun. breath
thûl
noun. breath
adwen
noun. [unglossed]
angol
noun. stench
angol
noun. stench
borth
?. [unglossed]
clei
?. [unglossed]
coen
?. [unglossed]
diragas
?. [unglossed]
mauth
?. [unglossed]
menwed
?. [unglossed]
nith
?. [unglossed]
nithrad
?. [unglossed]
níth
?. [unglossed]
ongol
noun. stench
porennin
?. [unglossed]
telwen
?. [unglossed]
A noun in The Etymologies of the 1930s glossed “breath” derived from the root ᴹ√THŪ “puff, blow” (Ety/THŪ). As written in The Etymologies, the actual form was thūl (EtyAC/THŪ).
Conceptual Development: In the Gnomish Lexicon of the 1910s, Tolkien gave G. fest “breath, breathing” (GL/35), likely derived from the early root ᴱ√ǶEHE “breathe” (QL/41) with ƕ becoming f.