It’s the opposite: they started out distinct, but then, by the euphemism treadmill, became used interchangeably. And if you go back even further it meant somet

It’s the opposite: they started out distinct, but then, by the euphemism treadmill, became used interchangeably. And if you go back even further it meant something even milder, like furloughed or terminated with the intent to rehire when expected business picks up.