affidavitaffidavit / 7AfI5deIvIt /◙ noun 1. [Law] a written statement confirmed by oath or affirmation, for use as evidence in court • [律] （经宣誓或确认在法庭作为证据的）附誓书面陈述，宣誓书
【语源】
1. mid 6th cent.: from medieval Latin, literally he has stated on oath', from affidare