Sorb Look up Sorb at Dictionary.com
1836 (implied in Sorbian), from German Sorbe, from Slavic Serb, the national designation. Slavic people surviving in Lusatia, eastern Saxony, also known as Wends.
sorb (n.) Look up sorb at Dictionary.com
"fruit of the service tree," 1520s, from French sorbe, from Latin sorbum "service-berry" (small, edible fruit of the European mountain ash), from sorbus, from PIE root *sor-/*ser- "red, reddish-brown."