Of Greek and/or Germanic origin.
Rosabel derives from the combination of the name Rosa and the common name suffix “bel”.
It is also a combination or the names Rosa and Isabel.
Suffixes are parts, morphemes, added at the end of words and names that form derivatives.
So, Rosabel, from Rosa and bel, means beautiful rose.
Other forms of the name are Rosabell, Rosabelle, Rosa, Rose, Rosalia, Rozalia, Rosie, Róisín, Rosy, Rosine, etc.