lynchyoudaoicibaDictYouDict
lynch: [19] This verb for ‘punishing someone without an official trial’ owes its existence to one William Lynch, a planter and justice of the peace of Pittsylvania, Virginia, USA, who at the beginning of the 19th century took it upon himself to set up unofficial tribunals to try suspects. His rough and ready method of administering justice was termed Lynch’s law, later lynch law, and the verb followed in the 1830s.
copacetic (adj.)youdaoicibaDictYouDict
1919, but it may have origins in 19c. U.S. Southern black speech. Origin unknown, suspects include Latin, Yiddish (Hebrew kol b'seder), Italian, Louisiana French (coupe-sétique), and Native American. None is considered convincing by linguists.
Miranda (2)youdaoicibaDictYouDict
criminal suspects' arrest rights in U.S., 1967, in reference to Fifth Amendment cases ruled on by U.S. Supreme Court June 13, 1966, under heading Ernesto A. Miranda v. the State of Arizona.
usual (adj.)youdaoicibaDictYouDict
late 14c., from Old French usuel "current, in currency (of money), valid" (13c.) and directly from Late Latin usualis "ordinary," from Latin usus "custom" (see use (v.)). The usual suspects is from a line delivered by Claude Rains (as a French police inspector) in "Casablanca" (1942).