eponymous

adj

Etymology: PIE word *h₁epi From Ancient Greek ἐπώνῠμος (epṓnŭmos, “concerning giving one’s name to something; named in a significant manner; surnamed”) + English -ous (suffix forming adjectives from nouns, denoting pertinence or relation).

1. Of, relating to, or being the person or entity after which someone or something is named; serving as an eponym.

   “Prince Hamlet is the eponymous protagonist of the Shakespearian tragedy Hamlet.”

   “Robinson Crusoe is the eponymous hero of the book.”

2. Of a thing: named after a person or entity.

   “The American singer-songwriter Madonna released her eponymous album in 1983.”