English 'Russia' comes via Latin and Greek from Old East Slavic Rusĭ, the name of Norse warrior-traders — probably from Old Norse *roðs- meaning 'rowing expedition', the same root that gives Finnish its word for Sweden (Ruotsi).
A country spanning Eastern Europe and Northern Asia, the largest country in the world by area.
English 'Russia' derives via Medieval Latin 'Russia' and Byzantine Greek 'Rhōsía' (Ῥωσία) from Old East Slavic 'Rusĭ' (Русь). The term 'Rus' originally referred to the Norse (Varangian) warriors and traders who established themselves along the river routes from Scandinavia to Constantinople in the 9th century. The most accepted etymology derives 'Rus' from Old Norse 'roðs-' meaning 'rowing, expedition' (as in 'roðskarl' = oarsman), via Finnish 'Ruotsi' (still the Finnish
Finland still calls Sweden 'Ruotsi' — the same word that became 'Russia'. This means the Finnish word for Sweden and the English word for Russia are etymological siblings, both from the Old Norse word for 'rowing expedition'. The rowers went east (becoming the Rus/Russians) and west (remaining the Swedes/Ruotsi).