carse

Origin: From , of uncertain origin. Perhaps : the term is "first found in a semi-Gaelic form", Carsach (); compare , reed, Armoric kars, bog plant, reed. Alternatively, perhaps related to bog, march, swampland (perhaps suffixed with a variant of -ish, -sæ); compare. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).