Definition of eponymy in US English:

eponymy

noun

  • See eponym

    • ‘This history would seem to provide a noteworthy lesson for those seeking immortality via eponymy!’
    • ‘He chose mariner - not, as usually conjectured, after Samuel Taylor Coleridge's 1798 poem, The Rime of the Ancient Mariner, although the eponymy is apt - but in honor of his newborn daughter, Marin.’

Pronunciation

eponymy

/əˈpänəmē/