Posted on 8th December 2013 by melyn Gorfydhyans is the Cornish word for overconfidence Yes, overconfidence in Cornish is gorfydhyans Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Sav is the Cornish word for standNext post: Torr is the Cornish word for abdomen