The region of Númenor around Eldalondë, known for its many flowering tree (UT/167). This name is a compound of nísima “fragrant” and the plural form of alda “tree”.
Quenya
Nísimaldar
fragrant trees
nísimaldar
place name. Fragrant Trees
nísima
fragrant
#nísima adj. "fragrant", isolated from Nísimaldar, q.v.
nísima
adjective. fragrant
Nísimaldar
Nísimaldar
The name means 'Fragrant Trees', and it was so called because of the great variety of rare and beautiful trees that grew there.
nes-
sweet smelling
nes- ?verb/?root "sweet smelling" (PE17:100); cf. Nísimaldar
Nísimaldar noun "Fragrant trees", a region in Númenor (UT:167; evidently #nísima "fragrant", attested here only, + aldar "trees").