Posted on 10th April 2022 by melyn Perghenogyl is the Cornish word for proprietary Yes, proprietary in Cornish is perghenogyl Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Loneth is the Cornish word for kidneyNext post: Gravath is the Cornish word for barrow