Based on the ethnonym Proto-Germanic *wīkingaz (whence Old Norse víkingr). Of uncertain ultimate origin; more at Vikings.
Similar semantic shift ethnonym → hero, legendary figure is also found in Old Polish obrzym (“giant”), from Proto-Slavic *ob(ъ)rinъ, originally meant "Avar".
Alternatively, according to Brückner, Machek and Schuster-Šewc, of Proto-Slavic origin, from vitь "trophy", compared with Church Slavonic въвесить.
According to Brückner and Machek, medial -t- probably is due to the influence of Proto-Slavic *vitěnьcь (“provider, supplier, guardian”) from Proto-Slavic *viti (“to twine, to curve”). Compare Old Church Slavonic възвитъ (vŭzvitŭ, “provisions, supply”).
singular | dual | plural | |
---|---|---|---|
nominative | *vìtędzь | *vìtędza | *vìtędzi |
genitive | *vìtędza | *vìtędzu | *vìtędzь |
dative | *vìtędzu | *vìtędzema | *vìtędzēmъ |
accusative | *vìtędzь | *vìtędza | *vìtędzę̇ |
instrumental | *vìtędzьmь, *vìtędzemь* | *vìtędzema | *vìtędzī |
locative | *vìtędzi | *vìtędzu | *vìtędzīxъ |
vocative | *vìtęže | *vìtędza | *vìtędzi |
* -ьmь in North Slavic, -emь in South Slavic.