The word "pseudonym" can be divided into two parts, the word root "Pseudo" which means "false" and "nym" which means "name".So, the word loosely translates as "false name."
Collins Dictionary defines "pseudonym" as "a fictitious name adopted, especially by an author."
This is the best definition of the word pseudonym in the sentence "Many famous writers use pseudonyms to protect their true identities
."
