The name of a tree in Fangorn beloved of the Ent Bregalad (LotR/483). It is a compound of carnë (carni-) “red” and the adjective mírëa “jewelled”, converted to a noun with the abstract suffix -ië (PE17/83).
Quenya
mírëa
adjective. jewelled, jewelled, *gemmed
carnimírië
proper name. Red-jewelled
carni-mírëa
red-jewelled
†carni-mírëa adj. "red-jewelled" (PE17:83), whence the name Carnimírië "[one] having red gems, Red-jewelled", the rowan-tree in Quickbeam's song (LotR2:III ch. 4, SA:caran, PE17:83), also translated "with adornment of red jewels" (Letters:224; where the reading "carnemírie" occurs)
raina
smiling, gracious, sweet-faced
raina (2) adj. "smiling, gracious, sweet-faced" (VT44:35, PE17:182). Cf. raita #3.
An adjective form of mírë “jewel” (PE17/83).
Conceptual Development: The Qenya Lexicon of the 1910s had ᴱQ. sinqevoite “gemmed”, an adjectival form of ᴱQ. sink (sinq-) “mineral, gem, metal”