The Norwegian and North Vikings who founded the first Russian State -Rossiya- were known as rus, word related to Viking term rothsmen or oarmen.

Row-row-row your boat, gently by the stream, merely, merely, merely, merely...life is but a dream.....(sang Spock Leonard Nimoy in Star Trek V)...

The word "slavic" are related to the word "slave" in Roman and Bizantine epoch, great porcentage of the slaves came from the South of Russia, or Scythia, as was known in those times. Yet, the history is ......far away from these times....as I said.