出典:Wiktionary
From Middle English forsayen (“to renounce”), from 古期英語 forseċġan (“to accuse, accuse falsely, slander, speak about, discourse on”), equivalent to for- + say. Cognate Dutch verzeggen (“to deny, forbid”), German Low German verseggen (“to refuse, deny”), German versagen (“to refuse, deny”), Swedish försäga (“to misspeak, say too much”). More at for-, say.