E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Man (Isle of),
called by the ancient Britons main-au (little island), Latinised into Menav-ia. Cæsar calls it Mona (i.e. Mon-ah), the Scotch pronunciation of Manau. Mona and Plinys Monabia are varieties of Menavia.