Posted on 6th September 2016 by melyn Sostenadow is the Cornish word for sustainable Yes, sustainable in Cornish is sostenadow Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Dyskybel is the Cornish word for pupilNext post: Delinya is the Cornish word for draw