In Irish it's "an Rí na mbuaiteorí ar fad".
The Norse language and Gaelic are not closely related, BTW.
In Irish it's boochore (buaiteoir)
Viking FK were the winners of the Norwegian Eliteserien in 1979.
Viking FK were the winners of the Norwegian Eliteserien in 1982.
Viking FK were the winners of the Norwegian Eliteserien in 1973.
Viking FK were the winners of the Norwegian Eliteserien in 1974.
Viking FK were the winners of the Norwegian Eliteserien in 1975.
Viking FK were the winners of the Norwegian Eliteserien in 1991.
Viking FK were the winners of the NM Cupen in 1953.
Viking FK were the winners of the NM Cupen in 1959.
Viking FK were the winners of the NM Cupen in 1979.
Viking FK were the winners of the NM Cupen in 1989.
Viking FK were the winners of the NM Cupen in 2001.
There is no single "Viking language" per se, as the Vikings spoke various North Germanic languages, such as Old Norse, Old Danish, and Old Swedish. These languages evolved over time into the modern Scandinavian languages we know today, like Icelandic, Norwegian, Danish, Swedish, and Faroese.