Elaborated variant of Rosetta, an Italian diminutive of Rosa meaning 'rose,' with ornate -zetta spelling.
Roszetta is an elaborated variant of Rosetta, itself an Italian diminutive of Rosa meaning rose. The ornate -zetta ending gives the name a decorative flourish, making it feel more elaborate and stylized than the standard form while preserving the floral core at its center.
That gives Roszetta a distinctly romantic atmosphere. It sounds delicate, embellished, and a little old-world, as if it belongs to a naming tradition that enjoys ornament. The rose meaning keeps it familiar, but the spelling makes it special. Roszetta feels lush, feminine, and gently theatrical.