isildur

masculine name. *Servant of the Moon

The eldest son of Elendil from whom Aragorn was descended (LotR/1038). His name is a compound of Isil “Moon” and the suffix -(n)dur “servant” (SA/sil, Ety/NDŪ).

Conceptual Development: The earliest mention of this character named him ᴹQ. Árundil (SD/401). In Lord of the Rings drafts from the 1940s, this name first appeared as (Noldorin?) Ithildor >> Isildor (RS/271), soon revised to ᴹQ. Isildur (RS/320). The name Isildur also appeared in a marginal note in The Etymologies from the 1930s (Ety/NDŪ).

isildurioni

collective name. Heirs of Isildur

A term for kings of Arnor as the descendants of Isildur (PM/192). This name is a compound of Isildur and the plural of the patronymic suffix -ion “-son”.

Isildur

Isildur

Isildur is a Quenya name, meaning "Devoted to the Moon".[source?]

Isildur

Isildur (name)

Isildur is a Quenya name, meaning "Devoted to the Moon".

Elendur (son of Isildur)

Elendur (son of Isildur)

Elendur most likely means "Servant of the Elves" in Quenya. The first element, eled, was likely taken from his grandfather's name. The later King of Arnor Elendur was likely named after him.