積年 [ㄐㄧ ㄋㄧㄢˊ; ji1 nian2]
  for a long time
  over many years
  old
  advanced in age
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  積年
  せきねん
  noun (common) (futsuumeishi)
  see: 昔年
  (many) years
  nouns which may take the genitive case particle `no'
  long-standing (esp. hatred, grudge)
  ancient
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