I believe the disk condition antedated her accident.
If you mean antedote:
He has been bitten by the snake, but he would be ok as there was an antedote to the poison available.
An example of a sentence with the word "antedate" is "Stone tools antedate bronze tools". Antedate means to establish something as being earlier relative to something else.
To antedate is to occur prior to something else. An example sentence would be: Her older brother's birth was an antedate to hers.
Earlier antedate, an old man died because of eating too much chicken wings.
Adam and Eve antedated modern man.
Example: "The company will antedate your new health policy so that it covers the charges billed to you last month." (also an example of "things that will never happen")
The practice of buying and selling slaves in the United States antedated the Civil War.
Yes his father was Prior to his son
Precede in time; come before (something) in date.
Antenna? you can go online. They have thousands! Or Antedate.
antediluvian antechoir antedate antecede antechamber
antedate, metachronism, misdate, misplacement, postdate, prolepsis, solecism
forego,foredate,antecede,predate,antedate,precede