antedate
(also pre-date) v [Tn]
1 put an earlier date on (a document, letter, etc) than the one at the time of writing (在文件, 信件等上面)写上比实际书写日期早的日期
an antedated cheque 填有比实际日期早的支票.
2 be before (sth/sb) in time 先於, 早於(某事物[某人])
This event antedates the discovery of America by several centuries. 这件事比发现美洲早几个世纪. Cf 参看 post-date.