Wager
来自Big Physics
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Middle English (also in the sense ‘solemn pledge’): from Anglo-Norman French wageure, from wager ‘to wage’.
wiktionary
From Middle English wajour, wageour, wager, from Old Northern French wageure, from wagier(“to pledge”) (compare Old French guagier, whence modern French gager). See also wage.
From the verb, wage + -er.
etymonline
wager (n.)
c. 1300, wajour "a promise, a vow, something pledged or sworn to;" also "a bet, a wager; stakes, something laid down as a bet," from Anglo-French wageure, Old North French wagiere (Old French gagiere, Modern French gageure) "pledge, security," from wagier "to pledge" (see wage (n.)).
wager (v.)
c. 1600 (intransitive); 1610s (transitive), from wager (n.). Related: Wagered; wagering.
