veto: [17] Latin vetō meant ‘I forbid’ (it was the first person present singular of vetāre ‘forbid’, a verb of uncertain origin which may be related to Welsh gwadu ‘deny’). It was used in the Roman senate by tribunes of the people as a formula for objecting to proposals, and it was originally introduced into English as part of the terminology of parliamentary procedure.
veto (n.)
1620s, from Latin veto, literally "I forbid," first person singular present indicative of vetare "forbid, prohibit, oppose, hinder," of unknown origin. In ancient Rome, the "technical term for protest interposed by a tribune of the people against any measure of the Senate or of the magistrates" [Lewis].
veto (v.)
1706, from veto (n.). Related: Vetoed; vetoing.
例文
1. The veto has been a traditional instrument of diplomacy for centuries.
拒否権は数世紀にわたり外交的に慣用されてきた手段である。
2.An override of the veto appears unlikely.
この拒否を覆す可能性は低いようだ。
3.The veto was a calculated political risk.
この拒否は、綿密に計画された政治的冒険である。
4.The British government used its veto to block the proposal.