The word for today is…
neologism (noun):
1: a new word, usage, or expression
2 psychology : a new word that is coined especially by a person affected with schizophrenia and is meaningless except to the coiner, and is typically a combination of two existing words or a shortening or distortion of an existing word
Source : Merriam -Webster
Etymology : The English language is constantly picking up neologisms. In recent decades, for example, social media has added a number of new terms to the language. Finsta, rizz, influencer, meme, and doomscroll are just a few examples of modern-day neologisms that have been integrated into English. The word neologism was itself a brand-new coinage in the latter half of the 18th century, when English speakers borrowed the French term néologisme, meaning both "the habit of forming new words" and "a newly formed word." The French term, which comes from néologie, meaning "coining of new words," comprises familiar elements: we recognize our own neo-, with various meanings relating to what is new, as in neoclassical, and -logy, meaning "oral or written expression," as in trilogy.
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