#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".
Quenya
noirë
noun. tomb
noirë
tomb
Sindarin
haudh
tomb
haudh (i chaudh, o chaudh) (burial mound, barrow, grave), pl. hoedh (i choedh), coll. pl. hodhath
haudh
tomb
(i chaudh, o chaudh) (burial mound, barrow, grave), pl. hoedh (i choedh), coll. pl. hodhath
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.