cease-fire (n.)youdaoicibaDictYouDict[cease-fire 词源字典]
also ceasefire, "a cessation of shooting," 1916, from verbal phrase cease fire, 1847 as a military command (formerly also signaled by bugles), from cease (v.) + fire (n.) in the gunnery sense. Generally two words until after mid-20c.[cease-fire etymology, cease-fire origin, 英语词源]