deadline - the point in time at which something must be completed

We all know about deadlines.  We have at least one a year for paying taxes.  Most everything we do has a deadline, from making meals (deadline is people who whine that they're hungry!) to that April 15th one.

I knew I'd heard the back story (writers term) about how the word "deadline" came into play.  The etymology of the word.  But since I don't trust my memory, I looked it up.  It's believed the word wa...