About Rosettia
The name "Rosettia" does not have a widely recognized or established meaning. It appears to be a variant or a unique creation, possibly derived from the name "Rosetta" or "Rosette." As such, the meaning of "Rosettia" would likely be subjective and open to interpretation.
Here's how to represent Rosettia in Braille, with each pattern of raised dots corresponding to a letter of the name.
The image below shows how you can spell Rosettia using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.