Norwegian
来自Big Physics
from medieval Latin Norvegia ‘Norway’ (from Old Norse Norvegr, literally ‘north way’) + -an.
wiktionary
From Medieval Latin Norvegia (from Old Norse Norvegr(“Norway”)) + -an, with v replaced by w due to influence from earlier English Norwayan(“Norwegian”).
etymonline
Norwegian
c. 1600 (n.) "a native of Norway," and (adj.) "of or pertaining to Norway," sometimes in early use Norvegian, from Medieval Latin Norvegia "Norway," from Old Norse Norvegr (see Norway) + -ian. Earlier words included Noreine and Norreis (both c. 1300), from Norrene (n.) "Norway" (c. 1200; the surname Norne is from late 12c.); Noregan (late 14c., from Medieval Latin); Norenish (c. 1200, adj. and n.), from late Old English Norren, from Old Norse Norrœnn.