英语词源字典 - 在线词源网站

Mace (n.3)[Mace 词源字典]: chemical spray originally used in riot control, 1966, technically Chemical Mace, a proprietary name (General Ordnance Equipment Corp, Pittsburgh, Pa.), probably so called for its use as a weapon, in reference to mace (1). The verb is first attested 1968. Related: Maced; macing.[Mace etymology, Mace origin, 英语词源]
world war (n.): attested by 1898 as a speculation.
If through fear of entangling alliances the United States should return the Philippines to Spain, Mr. Page asserted that the predatory nations would swoop down upon them and a world war would result. ["New York Times," Dec. 16, 1898]
Applied to the first one almost as soon as it began in 1914 ("England has Thrown Lot with France in World War" -- headline, "Pittsburgh Press," Aug. 2, 1914). World War I coined 1939, replacing Great War as the most common name for it; First World War, World War II, and Second World War all also are from 1939. Old English had woruldgewinn, woruldgefeoht, both of which might be translated "world war," but with "world" in the sense of "earthly, secular."
yins (pron.): "you people, you-all," contracted from U.S. dialectal you-uns, for you-ones (see you, also see y'all); first noted 1810 in Ohio. Also yinz; now considered a localism in Pittsburgh, Pa.