Eudaimonia

From Encyclopaedia Brittanica:

in ethics, a self-realization theory that makes happiness or personal well-being the chief good for man. The Greek word eudaimoniameans literally “the state of having a good indwelling spirit, a good genius”; and “happiness” is not at all an adequate translation of this word. Happiness, indeed, is usually thought of as a state of mind that results from or…

in  Aristotle (Greek philosopher): Happiness )

“Happiness,” the term that Aristotle uses to designate the highest human good, is the usual translation of the Greek eudaimonia. Although it is impossible to abandon the English term at this stage of history, it should be borne in mind that what Aristotle means byeudaimonia is something more like well-being…

More from Stanford University

…although modern virtue ethics does not have to take the form known as “neo-Aristotelian”, almost any modern version still shows that its roots are in ancient Greek philosophy by the employment of three concepts derived from it.These are arête (excellence or virtue) phronesis (practical or moral wisdom) and eudaimonia (usually translated as happiness or flourishing). As modern virtue ethics has grown and more people have become familiar with its literature, the understanding of these terms has increased…