draumr in Geir T. Zoëga(1910)A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press
Etymology
From Proto-Germanic*draumaz, whence also Old English drēam (perhaps related to Modern English dream), Old Frisian drām (West Frisian dream), Old Saxon drōm (Low German Droom), Old High German troum (Modern German Traum).