unknowableWiktionary 原文中文来自 ECDICTadj.不能知道的，不可知的构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+knowable词根/词干演变路径（由近及远）英语继承自 ←中古英语 unknowable词源说明Inherited from Middle English unknowable. By surface analysis, un- + knowable.释义（英文）形容词 AdjectiveNot knowable; not able to be known.名词 NounSomething that cannot be known.词族派生词（2）unknowablenessunknowably相关词（1）unknowability