Neologisms is the term for new expressions.<p>- List of some of the mechanisms that create them:<p><a href="https://www.theguardian.com/media/mind-your-language/2016/feb/04/english-neologisms-new-words" rel="nofollow">https://www.theguardian.com/media/mind-your-language/2016/fe...</a><p>__________<p>If anyone is familiar with new word discovery algorithms and has links to notable research, code, etc. — I would be interested looking at them.