Definition of perdate:
°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".).
°To exist, or to occur before something else; to
antedate (the more correct term for this usage.).
"The Japanese use of Pascal's Triangle predates its discovery by Blaise Pascal."
Definition of perdate:
°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".).
°To exist, or to occur before something else; to
antedate (the more correct term for this usage.).
"The Japanese use of Pascal's Triangle predates its discovery by Blaise Pascal."