Dromornisn.

/drəʊˈmɔːnɪs/Etymology: < δρόμος course, race, or modern Latin Dromæus emu + ὄρνις bird.
1872 Owen in 682.
1895 C. Dixon in Apr. 642 Among extinct types..we have the Dromornis of Australia, the Æpyornis of Madagascar.
This entry has not yet been fully updated (first published 1897; most recently modified version published online December 2020).