This is called the Euphemism treadmill http://www.slate.com/articles/podcasts/lexicon_valley/2017/04/john_mcwhorter_on_euphemisms.html http://www.slate.com/arti

This is called the Euphemism treadmill http://www.slate.com/articles/podcasts/lexicon_valley/2017/04/john_mcwhorter_on_euphemisms.html http://www.slate.com/articles/podcasts/lexicon_valley/2017/0...