Webster's Revised Unabridged Dictionary · 1913

Wanhope

Wanhope , noun

[Anglo-Saxon wan, won, deficient, wanting + hopa hope: compare Dutch wanhoop. {not transcribed}. See Wane, and Hope.]

Want of hope; despair; also, faint or delusive hope; delusion. [Obs.] Piers Plowman.
Wanhope and distress. — Chaucer