ambidexterity (n.)youdaoicibaDictYouDict[ambidexterity 词源字典]
1650s, from obsolete adjective ambidexter "two-sided, using both hands with equal facility," also "double-dealing," from Medieval Latin ambidexter (see ambidextrous) + -ity.[ambidexterity etymology, ambidexterity origin, 英语词源]