panopticon (n.)youdaoicibaDictYouDict[panopticon 词源字典]
1768, a type of optical instrument or telescope, from Greek pan "all" (see pan-) + optikon, neuter of optikos "of or for sight" (see optic). Later the name of a type of prison designed by Bentham (1791) in which wardens had a constant view of all inmates, and "a showroom" (1850).[panopticon etymology, panopticon origin, 英语词源]