Mîr

mîr or mírë means "jewel" in Quenya

Examples:

• Míriel Serindë = "Maiden of the Jeweled Garland"
• Elendilmir = "The Jewel of (Tar-)Elendil"

References

• The Languages of Tolkien's Middle-earth by Ruth S. Noel
• Quenya Corpus Wordlist edited by Helge Kåre Fauskanger