goddamn Look up goddamn at Dictionary.com
late 14c., from god + damn.
Mais, fussent-ils [les anglais] cent mille Goddem de plus qu'a present, ils n'auront pas ce royaume. [Joan of Arc, 1431, quoted in Prosper de Barante's "Histoire des ducs de Bourgogne"]
Goddammes was the nickname given by Puritans to Cavaliers, in consequence of the latter's supposed frequent employment of that oath.