How it Works26 mins ago
Phrases and sayings
2 Answers
Origin of 'after the watershed'
Answers
Best Answer
No best answer has yet been selected by sue young. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.An actual watershed is a higher piece of ground than its surrounding territory - eg a mountain-ridge - which effectively separates the directions in which rivers form. In England, the Pennines form a watershed, with part of the rainfall forming rivers that then flow westwards into the Irish Sea and the other part forming rivers that then flow eastwards into the North Sea. This 'image' is nowadays applied to 9 pm in terms of TV broadcasts. It is ssumed that children will all be in bed from then on and it is, therefore, 'safe' to show programmes with a more adult content.