It comes from the Greek word εὔνοια, meaning "well mind" or "beautiful thinking. Eunoia is the shortest English word containing all five main vowel graphemes. In book eight of Nicomachean Ethics, Aristotle uses the term to refer to the kind and benevolent feelings of goodwill a spouse has which form the basis for the ethical foundation of human life.
To describe oneself ... loljk ... I’m not actually picking that. It’s pretty tough to describe a whole person in one word—I would probably choose scripturient: having a consuming passion to write. Or bibliophiliac: one who loves books. I’m definitely a logastellus: one whose love of words is greater than their knowledge of words.
Perhaps what is most amusing, is that the commenter simultaneously defends gay people against the supposed use of 'gay' as an insult, and still ascribes to the practice of insulting a woman by referencing her genitalia in a derogative manner - how hypocritical.