the movement was most active in the 1860s and continued until WWI
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Wortherkunft von 'Fenian'< pl. of Ir Gael Fiann, the old militia of Ireland, after Finn, Fionn, hero of Irish tradition: assoc. with OIr fēne, inhabitant of Ireland