predate  
verb [ T ] uk/ˌpriːˈdeɪt/ us/ˌpriːˈdeɪt/
  (BE BEFORE)      
 早于…存在(或发生)
to have existed or happened before another thing
  These cave paintings predate any others which are known. 这些洞穴绘画早于其他任何已知的同类绘画。 
 Compare: backdatepostdate (HAPPEN AFTER)