The late Fawn Brodie, an alleged biographer of Joseph Smith, initially claimed that Nauvoo isn’t an authentically Hebrew word but, instead, was a mere figment of Joseph’s fertile (and unscrupulous) imagination. She has been followed in this claim by some critics of Mormonism.
Robert Boylan sets them straight:
http://scripturalmormonism.blogspot.it/2016/05/is-nauvoo-genuinely-hebrew-worda.html
Posted from Terricciola, Italy