noneponym
A noneponym is a word that, despite its appearance and common usage, is not derived from a person's name. This contrasts with eponyms, which are words or terms named after a person, real or fictional. The concept of noneponyms is often discussed in linguistics and etymology as a way to categorize word origins.
Many words that might initially seem to be named after someone are, in fact, noneponyms. For instance,
Understanding noneponyms helps in accurately tracing the history of words and appreciating the diverse ways language