Posted on 1st April 201931st March 2019 by melyn Brithweyth is the Cornish word for mosaic Yes, mosaic in Cornish is brithweyth Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Aneffeythus is the Cornish word for ineffectiveNext post: Sens is the Cornish word for sense