error和warning区别？imminent词源？

error是一个名词，错误；差错；错误的意思，例如:

Most of the problems were due to human error.（大都问题都是酬劳错误形成的）

词缀im+minent词源，中辞意思是adj. 即将发作的，临近的；<古>垂悬的

Every one feels that a disaster is imminent, as if a catastrophe is about to come.谁都感应大事欠好，似乎有什么极大的灾难即未来临。