ManchesteryoudaoicibaDictYouDict[Manchester 词源字典]
Mameceastre (1086), from Mamucio (4c.), the original Celtic name, perhaps from *mamm "breast, breast-like hill" + Old English ceaster "Roman town" (see Chester). Adjective Mancunian is from the Medieval Latin form of the place-name, Mancunium.[Manchester etymology, Manchester origin, 英语词源]