Early 19th century; earliest use found in Charles Robert Maturin (1780–1824), writer and Church of England clergyman. Back-formation from misnomed or misnomer.
Definition of misnome in US English:
misnome
verbˌmɪsˈnəʊm
rare
with objectTo misname.
Origin
Early 19th century; earliest use found in Charles Robert Maturin (1780–1824), writer and Church of England clergyman. Back-formation from misnomed or misnomer.