Posted on 4th October 2013 by melyn Presumya is the Cornish word for presume Yes, presume in Cornish is presumya Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Amovyans is the Cornish word for emotionNext post: Hegar is the Cornish word for affectionate