It is believed to come from the military "beware before '', which an artilleryman about to fire would yell alerting nearby infantrymen to drop to the ground to avoid the shells overhead. (Before may mean "in front of (the gun being fired) ''; fore may mean "(look) ahead ''.)
where does the term four come from in golf
It is believed to come from the military "beware before '', which an artilleryman about to fire would yell alerting nearby infantrymen to drop to the ground to avoid the shells overhead.