十じゅう年ねん一ひと昔むかしMeaningsNoun1. the pace of change makes ten years back seem like ancient history (Yojijukugo)Kanji used十ten年year一one昔long agoComposed of十じゅうten; 10Numeric年ねんyear; counter for years (e.g. of an era), grades (e.g. school); period of an apprentice's contract (usu. ten years)Noun一ひと昔むかしan age (ago); a long time (ago); a decade (ago)Noun