Posted on 19th January 2015 by melyn Tanowder is the Cornish word for thinness Yes, thinness in Cornish is tanowder Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Kryjyk is the Cornish word for religiousNext post: Skolvestres is the Cornish word for schoolmistress