1784; see Scandinavia + -ian. As a noun, from 1766 of the languages, 1830 of the people; by 1959 in reference to styles of furniture and decor. In U.S. colloquial use sometimes Scandihoovian, Scandiwegan, etc. (OED dates both of those to 1929, used in sea slang, "generally in mild contempt"). Alternative adjective Scandian (1660s) is from Latin Scandia.