heal (v.)youdaoicibaDictYouDict[heal 词源字典]
Old English hælan "cure; save; make whole, sound and well," from Proto-Germanic *hailjan (cognates: Old Saxon helian, Old Norse heila, Old Frisian hela, Dutch helen, German heilen, Gothic ga-hailjan "to heal, cure"), literally "to make whole," from PIE *kailo- "whole" (see health). Intransitive sense from late 14c. Related: Healed; healing.[heal etymology, heal origin, 英语词源]