fjórðungur
Fjórdungur is an Icelandic word that translates to "quarter" in English. It is commonly used in various contexts to denote a division of something into four equal parts. This can apply to time, such as a fjórðungur of an hour, meaning fifteen minutes. In a geographical sense, it can refer to a quarter of a region or landmass. Historically, Iceland was divided into four administrative regions known as fjórðungar. These were the North Quarter, South Quarter, West Quarter, and East Quarter. This division was significant in the country's early political and legal organization. The term can also be used in a more abstract sense, indicating a fourth part of any whole, whether it be money, a measurement, or any quantifiable entity. Its usage is straightforward and directly reflects the mathematical concept of dividing by four.