GloucesteryoudaoicibaDictYouDict[Gloucester 词源字典]
English county, Old English Gleawceaster, from Latin Coloniae Glev (2c.), from Glevo, a Celtic name meaning "bright place" (perhaps influenced by Old English gleaw "wise, prudent") + Old English ceaster "Roman town" (see Chester). In reference to a type of cheese by 1802.[Gloucester etymology, Gloucester origin, 英语词源]