Quote:
Originally Posted by leigh kitchen
Perhaps from the term "cast off" being used for discarded clothing as far back as the 1800's?
|
I’m pretty sure that’s where it comes from too Leigh. It’s been used by the War Office/MOD going back many centuries and cast is just an abbreviation of the fuller cast off. A cast horse and cast jeep/Land Rover meant the same thing, no longer fit for use/purpose.