The usurper who took the throne of Gondor from Eldacar for a decade until he was in turn overthrown (LotR/1047). The final element of his name is probably mírë “jewel”, but the meaning of the initial element is unclear.
Quenya
Castamir
casta[?]-jewel
castamir
masculine name. Castamir
Elements
Word Gloss ? mírë “jewel, gem, precious thing, treasure; precious” Variations
- Kastamir ✧ PMI/Kastamir
Castamir
Castamir
His name is Quenya and apparently includes -mir "jewel". The first element, *casta, is not translated but it could be a variant of cassa "helmet". In that case, his name means "helmet-jewel" or "jeweled helmet"
Castamir masc. name, "casta[?]-jewel" (Appendix A)