What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
The principles or policy of the Home Rule faction in the House of Commons, led by Parnell from 1880 to 1891, whose aim was to establish Home Rule in Ireland; support or advocacy of these principles.
Late 19th century. From the name of Charles Stewart Parnell, Irish nationalist leader + -ism.