A noun for “pillow” in The Etymologies of the 1930s under the root ᴹ√KWES having to do with feathers (Ety/KWES). Given its cognate N. pesseg, its stem form is probably quessec- as suggested by Helge Fauskanger (QQ/quesset).
Qenya
noldorin
proper name. Gnomish
lóna
adjective. dark
nyarro
noun. rat
orko
noun. goblin
qesset
noun. pillow
A noun in The Etymologies of the 1930s glossed “rat” derived from primitive ᴹ✶nyadrō under the root ᴹ√NYAD “gnaw” (Ety/NYAD). In The Etymologies as published in The Lost Road, the form was incorrectly given as nyano (LR/379), but Carl Hostetter and Patrick Wynne corrected this to nyarro in their Addenda and Corrigenda to the Etymologies (VT46/7).