congressman (n.)youdaoicibaDictYouDict[congressman 词源字典]
1780, in reference to members of U.S. Congress, and it first appears in a piece of abuse (written by a Loyalist):
Ye coxcomb Congressmen, declaimers keen,
Brisk puppets of the Philadelphia scene ...
Congresswoman attested from 1918 (Jeannette Rankin (1880-1973) was the first).[congressman etymology, congressman origin, 英语词源]