ignition (n.)youdaoicibaDictYouDict[ignition 词源字典]
1610s, "act of heating to the point of combustion," from French ignition (16c.) or directly from Medieval Latin ignitionem (nominative ignitio), from Latin ignire "set on fire," from ignis "fire" (see igneous). Meaning "means of sparking an internal combustion engine" is from 1881.[ignition etymology, ignition origin, 英语词源]