Posted on 23rd July 2016 by melyn Tewlhe is the Cornish word for darken Yes, darken in Cornish is tewlhe Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Dramasek is the Cornish word for dramaticNext post: Kaderyores is the Cornish word for chairwoman