A prefix used frequently in composition, signifying well, good, advantageous; -- the opposite of dys-.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). eu. Retrieved September 20, 2026, from http://smartdefine.org/eu/definitions/2005073 |
| Chicago | Webster's. 2011. "eu" http://smartdefine.org/eu/definitions/2005073 (accessed September 20, 2026). |
| Harvard | Webster's 2011, eu, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/eu/definitions/2005073>. |
| MLA | Webster's. "eu" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/eu/definitions/2005073> |