An Etymological Dictionary of the German Language/Annotated/verwahrlost
verwahrlost, adjective, ‘neglected, spoilt,’ properly a participle of Middle High German verwárlôsen, ‘to treat negligently,’ based on Old High German waralôs, ‘careless, negligent’ (Middle High German warlœse, ‘carelessness, negligence’). For the first part of the compound compare wahrnehmen. —