"of or pertaining to the Scandinavian people or their languages or physical type," 1898, from French nordique (in anthropologist Joseph Deniker's system of race classifications), literally "of or pertaining to the north," from nord "north" (a loan-word from Old English; see north). Perhaps influenced by German Nordisch. As a noun, from 1901. Strictly, the blond peoples who inhabit Scandinavia and the north of Britain. As a type of skiing competition, it is attested by 1949.
1590s, "a Norwegian," from obsolete Dutch Noorsch (adj.) "Norwegian," a reduced form of noordsch "northern, nordic," from noord "north" (see north). Also in some cases borrowed from cognate Danish or Norwegian norsk. As a language of the north (spoken and written in Norway, Iceland, etc.), from 1680s. Old Norse attested from 1844. An Old English word for "a Norwegian" was Norðman. As an adjective from 1768.
In Old French, Norois as a noun meant "a Norse, Norseman," also "action worth of a man from the North (i.e. usually considered as deceitful)" [Hindley, et. al.]; as an adjective it meant "northern, Norse, Norwegian," also "proud, fierce, fiery, strong."