hyphenism
noun
hy·phen·ism
ˈhīfəˌnizəm
plural -s
: the quality or state of being a hyphenate : the conduct that marks or is ascribed to hyphenates
hyphenism in the United States is almost extinct
E. A. Mowrer
E. A. Mowrer
Word History
Etymology
hyphen entry 1 + -ism; from the use of hyphenated words (as German-American, Irish-American) to designate foreign-born citizens of the U.S.