This is the 7222nd most frequent Turkish word.
ergün
"Ergün" is a Turkish male name meaning "vigorous" or "bright day."
Here, 'Ergün' is used as a male first name, common in Turkish names.
Ergün bugünkü toplantıya katılacak.
Ergün will attend today's meeting.
In this case, 'ergün' functions as an adjective or adverb, implying calmness or suitability.
Bu olay ergün bir şekilde çözülebilir.
This issue can be resolved calmly/appropriately.
Here, 'Ergün' is again a proper noun, used as part of a respectful address for a woman, indicated by 'hanım' (Mrs.).