Posted on 2nd March 2012 by melyn Sostenadewder is the Cornish word for sustainability Yes, sustainability in Cornish is sostenadewder Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Omwul is the Cornish word for pretendNext post: Elin is the Cornish word for elbow