An Etymological Dictionary of the German Language/Annotated/Rhede
Rhede, feminine, ‘roadstead, road,’ Modern High German only, from Low German; compare Dutch ree, reede, Middle English râde, English road; from the English class are derived the equivalent Italian rada and French rade. Originally sense probably ‘place where ships are equipped’; allied to the Teutonic root raid, ‘to prepare’; compare Old Icelandic reiðe, ‘ship's equipment.’ See bereit.