E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A scarecrow, a goblin. (Bulgarian, bog, a god; Slavonic, bogu; Welsh, bwg, a goblin, our bugbear.)
The Assyrian mothers used to scare their children with the name of Narss (Gibbon); the Syrians with that of Richard Cur de Lion; the Dutch with Boh, the Gothic general (Warton); the Jews with Lilith; the Turks with Mathias Corvinus, the Hungarian king; and the English with the name of Lunsfort (q.v.). (See BO.)