ambivert (n.)youdaoicibaDictYouDict[ambivert 词源字典]
"person exhibiting features of an extrovert and an introvert," coined by Kimball Young in "Source Book for Social Psychology" (1927), from ambi- "about, around" + Latin vertere, as in introvert. Related: Ambiversion.[ambivert etymology, ambivert origin, 英语词源]