尔: Thus, in this manner.
檀: Deciduous tree species with robust wood, often symbolizing steadfastness in character and a warm, affable demeanor in social interactions.
Meaning: The name 'Ertan' has a graceful rhythm, with 'Er' conveying closeness and gentleness, and 'Tan' often associated with nobility and elegance, giving an overall impression of grace and refinement.