Eponym

Person or thing after which something is named

An eponym is a person, a place, or a thing after whom or for which someone or something is, or is believed to be, named. Adjectives derived from the word eponym include eponymous and eponymic. Eponyms are commonly used for time periods, places, innovations, biological nomenclature, astronomical objects, works of art and media, and tribal names. Various orthographic conventions are used for eponyms.

This keyword could refer to multiple things. Here are some suggestions: