失しっ効こう

noun, noun or participle which takes 'suru', intransitive verb

lapse; expiration; invalidation; becoming void

Refers to a right, contract, license, or legal effect ceasing to be valid, often due to the passage of time or failure to meet conditions. Common in formal and legal contexts.

• この契けい約やくは来らい月げつで失しっ効こうします。

  This contract will expire next month.

• 期き限