A name for Aragorn (LotR/1061), it is simply the noun estel “hope” used as a name (PE17/117).
Conceptual Development: In drafts of the Lord of the Rings appendices, this name first appeared as S. Amin (PM/269).
amdirn. hope based on reason
n. hope, trust
n. hope. ónen i·Estel Edain 'I gave the "Hope" (to) Men'.
v. to hope
1) (based on reason) amdir (no distinct pl. form). Literally an "up-looking". 2) (closer in meaning to ”faith”) estel (trust, steady purpose), pl. estil, 3) (noun) harthad (i charthad, o charthad), pl. herthaid (i cherthaid)
(verb) #hartha- (i chartha, i charthar). Verbal stem isolated from the apparent gerund harthad, ”hope” as noun.