Etymology

forlorn hope

for·lorn hope

Today it means: A small troop of soldiers picked to make an advance attack, or the first attack; a storming party. Full definition →

Dutch verloren hoop ← Proto-Germanic *fraleusaną ← Proto-Indo-European *per-
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The story

  1. Proto-Indo-European · derived from*kouHp-nó-
  2. Proto-Germanic · derived from*haupaz“a crowd, throng; a heap, pile”
  3. Proto-Indo-European · derived from*per-“before, in front; first”
  4. Proto-Germanic · derived from*fraleusaną“to cease to have, lose”
  5. Dutch · derived fromverloren hoop
  6. English todayforlorn hope

Sense 1 (“troop of soldiers picked to make an advance attack, or the first attack”) is a mistranslation of Dutch verloren hoop (literally “lost troop”): verloren (“lost”, adjective) + hoop (“(obsolete) unit of soldiers, contingent; heap, pile, stack”), mistaking the latter word for the homograph hoop (“hope”). Verloren is the past participle of verliezen (“to lose (possession); to be defeated, to lose (a game)”) (ultimately from Proto-Germanic *fraleusaną (“to cease to have, lose”), from Proto-Indo-European *per- (“before, in front; first”) + *lewH- (“to cut, sever; to separate; to loosen; to lose”)), while hoop is ultimately from Proto-Germanic *haupaz (“a crowd, throng; a heap, pile”), from Proto-Indo-European *kouHp-nó- or *keHup-. Sense 2 (“dangerous or hopeless venture”) is either an extension of the meaning of sense 1, or from the literal meaning of the words forlorn and hope.

Words from the same roots

Proto-Germanic*fraleusaną all →

forlornforlese

Proto-Indo-European*per- all →

beforefurthersportprimeseparatefearexperimentfareforthcomingparamountparseemporiumpostpartumparlaypareperihelionappriseportentousparamourfraisefirnparlousafeardisportfore-fornefraistmi-partimisprisionporte cochère

Etymology from Wiktionary, CC BY-SA 4.0.