Morphologically fore- + word. Calque of German Vorwort, itself a calque of Latin praefatio (“preface”). Cognate with German Low German Vörwoord (“foreword”), Dutch voorwoord (“foreword”), West Frisian foarwurd (“foreword”), Danish forord (“preface; proviso”), Swedish förord (“foreword”). Compare also Old English forword, foreword (“proviso; condition”).