A plural element in the name Noirinan “Valley of Tombs” (UT/166), so perhaps ✱noire in the singular. It may be related to loico “corpse” via an unattested root (N)DOY as suggested by David Salo in a post on the Elfling mailing list in 2012.
Quenya
noirë
tomb
noirë
noun. tomb
Element in
- Q. Noirinan “Valley of Tombs” ✧ UT/166
Noirinan
valley of the tombs
Noirinan noun the "Valley of the Tombs" in Númenor (evidently *noirë*, noiri- "tomb" + nan** "valley") (UT:166)
#noirë noun "tomb", isolated from Noirinan, q.v. This compound may suggest that noirë has the stem-form noiri-, unless the compound is supposed to contain a plural form "tombs".