ego (n.)

1707年，在形而上学中，"自我；感觉、行为或思考的东西"，来自拉丁文 ego "我"(与古英语 ic ；见 I )；它的使用隐含在 egoity 。

They that have pleaded against Propriety , and would have all things common in this World, have forgotten that there is a Propriety , in our present Egoity , and Natural Constitution, which rendereth some accidental Propriety necessary to us (etc.) ["The Practical Works of the Late Reverend and Pious Mr. Richard Baxter," London, 1707]

精神分析(弗洛伊德)的意义来自1894年;"自负"的意义是1891年。 Ego-trip 首次记录于1969年，来自 trip (n.)。相关链接： egoical 。

In the book of Egoism it is written, Possession without obligation to the object possessed approaches felicity. [George Meredith, "The Egoist," 1879]