Sebastian
来自Big Physics
wiktionary
From Latin Sebastianus, name of an early Christian saint, from ancient city of Sebaste in Asia Minor (modern Sivas, Turkey), from Ancient Greek Σεβαστός(Sebastós, “august, venerable, exalted”), itself a translation of the Roman title Augustus.
etymonline
Sebastian
masc. proper name, from Latin Sebastianus, from Greek Sebastianos, "man of Sebastia," a city in Pontus that was named for Augustus Caesar, first Roman emperor, from Greek sebastos "venerable," a translation of Latin augustus, the epithet of Caesar.