yesteryear (n.)youdaoicibaDictYouDict[yesteryear 词源字典]
coined 1870 by Dante Gabriel Rossetti from yester- + year to translate French antan (from Vulgar Latin *anteannum "the year before") in a refrain by François Villon: Mais ou sont les neiges d'antan? which Rossetti rendered "But where are the snows of yesteryear?"[yesteryear etymology, yesteryear origin, 英语词源]