n. The events and situations that lead to a particular end.
1997
In his engaging book Future Perfect, Stanley Davis…says most people are stuck managing the results of things that have already happened — the aftermath. Great leaders manage what has not yet happened — the beforemath.
1987
Most managers manage the consequence of events that have already taken place — they're always dealing with the aftermath. Instead they should manage events which haven't yet happened — they should learn to manage the beforemath.
1964 (earliest)
And you're always hearing about the aftermath of some event, but have you ever heard of the beforemath? And what is it while it's happening, the math?