"manumitted slave," c. 1600, from past participle of free (adj.) + man (n.). Especially in U.S. history. The older word is freeman. Freedman's Bureau (1865) was the popular name of the Bureau of Refugees, Freedmen, and Abandoned Lands, established by Congress March 3, 1865, and discontinued in 1872.[freedman etymology, freedman origin, 英语词源]