WilhelmyoudaoicibaDictYouDict[Wilhelm 词源字典]
German form of William (q.v.). Fem. form is Wilhelmina. Wilhelmine (adj.) is "pertaining to the reign of Wilhelm II," emperor of Germany 1888-1918. Berlin's Wilhelmstrasse was the pre-1945 headquarters of the German foreign office, hence used metonymically for "German foreign policy" (compare Quai d'Orsay).[Wilhelm etymology, Wilhelm origin, 英语词源]