eponymous

/ษชหˆpษ‘nษชmษ™s/
adjective
  1. 1

    Of, relating to, or being the person or entity after which something or someone is named.

    โ€œPrince Hamlet is the eponymous protagonist of the Shakespearian tragedy Hamlet.โ€

Source: https://en.wiktionary.org/wiki/eponymous