electoral (adj.)youdaoicibaDictYouDict[electoral 词源字典]
1670s, "pertaining to electors," in reference to Germany, from elector + -al (1). In general sense from 1790. Related: Electorally. The U.S. electoral college so called from 1808 (the term was used earlier in reference to Germany).[electoral etymology, electoral origin, 英语词源]