Thalion
From Tolkien Gateway
thalion is a noun meaning "a person who is steadfast" in Sindarin.
Etymology
OS *sthalgon(do) from PQ stalgondô "hero, dauntless man", Root STÁLAG[1]
See also
- thelion "resolute, unwavering".
As name
- Húrin son of Galdor, the last Lord of Dor-lómin was called "The Steadfast" for his unbending will against the tortures of Morgoth
- Mardil Voronwë, the first Ruling Steward of Gondor called "The Steadfast" for preventing civil war by taking up the rulership of Gondor