Here's a breakdown of the etymology:
* "Dignitas" (Latin): This word is the root of "dignitary".
* "Dignitas" evolved into "dignity" in English, which carries the meaning of "worthiness" or "worth".
* "Dignitary" then emerged, specifically referring to a person holding a high office or position, hence possessing "worthiness" or "worth" in their role.
Therefore, the origin of the word "dignitary" lies in the concept of worthiness or value associated with holding a position of importance.