metropolisyoudaoicibaDictYouDict[metropolis 词源字典]
metropolis: [16] A metropolis is etymologically a ‘mother city’. The word comes via late Latin mētropolis from Greek mētrópolis, a compound formed from métēr ‘mother’ (a distant relative of English mother) and pólis ‘city’ (source of English police, policy, politics, etc).
=> mother, police, policy, politics[metropolis etymology, metropolis origin, 英语词源]
metropolis (n.)youdaoicibaDictYouDict
"seat of a metropolitan bishop," 1530s, from Late Latin metropolis; see metropolitan. Meaning "chief town or capital city of a province" is first attested 1580s, earlier metropol (late 14c.).