From Middle English hæfved-wunde, from Old English hēafodwund (“a wound in the head”), equivalent to head + wound. Cognate with Dutch hoofdwond (“injury to the head”), German Hauptwunde (“headwound”).
"headwound." YourDictionary, n.d. Web. 16 May 2018. <http://www.yourdictionary.com/headwound>.
headwound. (n.d.). Retrieved May 16th, 2018, from http://www.yourdictionary.com/headwound