1. antedate - Noun
2. antedate - Verb
Prior date; a date antecedent to another which is the actual date.
Anticipation.
To date before the true time; to assign to an earlier date; thus, to antedate a deed or a bond is to give it a date anterior to the true time of its execution.
To precede in time.
To anticipate; to make before the true time.
Source: Webster's dictionaryTo doubt Is worse than to have lost; and to despair Is but to antedate those miseries That must fall on us. Philip Massinger
Why should the typical student be interested in those wretched triangles? ...He is to be brought to see that without the knowledge of triangles there is not trigonometry; that without trigonometry we put back the clock millennia to Standard Darkness Time and antedate the Greeks. George Pólya
Stone tools precede bronze tools Source: Internet