An Etymological Dictionary of the German Language/Annotated/heilen

by Friedrich Kluge

heilen, verb, ‘to heal, cure,’ from Middle High German and Old High German heilen, ‘to heal,’ as well as Middle High German heilen, Old High German heilên, ‘to get well’; compare Anglo-Saxon hœ̂lan, English to heal (to which health is allied, Anglo-Saxon hœ̂lþ, Old High German heilida, feminine, ‘health’). —