Quenya 

mírë

jewel

mírë noun "jewel" (MIR, SA:mîr), "a treasure, a precious thing" (PE17:37).Cf. Elemmírë; short form -mir in Tar-Atanamir (SA:mîr); see also Artamir.

mírë

noun/adjective. jewel, gem, precious thing, treasure; precious

A word first appearing with the gloss “jewel, precious thing, treasure” in The Etymologies of the 1930s under the root ᴹ√MIR (Ety/MIR). It appeared regularly in Tolkien’s later writings with the same etymology and glosses like “gem”, “jewel” and “precious thing”, and it was a common element in names. In one place Tolkien said it could also be used as an adjective “precious” (PE17/165).

Quenya [LotR/0377; PE17/024; PE17/037; PE17/073; PE17/165; PE19/096; RGEO/58; RGEO/59; SA/mîr] Group: Eldamo. Published by

Elemmírë

star-jewel

Elemmírë noun *"Star-jewel" (elen + míre, notice assimilation nm > mm), name of a star/planet (possibly Mercury, MR:435, where the spelling used is Elemmirë); also name of an Elf. (SA:mîr)

yavannamírë

noun. Jewel of Yavanna

A species of tree in Númenor with globed and scarlet fruits (UT/167; NM/333), translated by Christopher Tolkien as “Jewel of Yavanna” (UTI/Yavannamírë). This name is a compound of Yavanna and the noun mírë “jewel”.

Quenya [NM/333; UT/167; UTI/yavannamírë] Group: Eldamo. Published by

Artamir

noble jewel

Artamir masc. name *"Noble jewel" (Appendix A); cf. mírë.