Time Dec23/30 Issue covers notables of 2019 including new language. My favorites.
Flygskam (Noun) or flight Shame (Swedish)-a "movement"aimed at reducing air travel (carbon emissions).
Self-Partnered (Adjective) "Happily unattached, romantically..."
Themself (Pronoun) used in place of herself or himself. "A gender-neutral reflexive singular pronoun". More see: https://www.time.com