the fact of officially proving that a will (= a legal document that says what is to happen to a person’s property when they die) is correct according to the law 遗嘱认证；遗嘱检验 to grant probate 核准遗嘱验证 to get/obtain probate 获得/获得遗嘱认证
Word Originlate Middle English: from Latin probatum ‘something proved’, neuter past participle of probare ‘to test, prove’.