Norðursjór

== Icelandic == === Etymology === From norður (“north”) +‎ sjór (“sea”), literally “north sea”. === Proper noun === Norðursjór m (proper noun, genitive singular Norðursjávar or (less common) Norðursjós or Norðursjóar) North Sea (a marginal sea of the Atlantic Ocean, located between eastern Britain and mainland Europe) ==== Declension ====