Posted on 13th March 2018 by melyn Precyous is the Cornish word for precious Yes, precious in Cornish is precyous Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Spedhas is the Cornish word for briarsNext post: Skoodhyans is the Cornish word for assistance