Posted on 5th January 201813th June 2017 by melyn Seyth is the Cornish word for seven Yes, seven in Cornish is seyth Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Trovan is the Cornish word for tropicNext post: A-bell is the Cornish word for afar