predate

Short definition from Wiktionary

Verb

1. 1
   To designate a date earlier than the actual one; to move a date, appointment, event, or period of time to an earlier point (contrast "postdate".)
2. 2
   To exist or to occur before something else; to antedate.
3. 3
   To prey upon something.

Noun

1. 1
   A publication, such as a newspaper or magazine, that is issued with a printed date later than the date of issue.