Original: The term tundra comes through Russian Ñ Ñ Ð 1\/2 Ð Ñ Ð from the Kildin Sami word tÅ '' ndÃ cents r '' uplands , '' '' treeless mountain tract . ''
Simplified: The term '' tundra '' comes from tÅ '' ndÃ cents r which means ` uplands , tundra , treeless mountain tract ' .