laskuria
Laskuria is a Finnish term that historically referred to a device or instrument used to perform calculations. In contemporary Finnish, the more common labels for such devices are laskin (calculator) and laskuri (counter), and laskuria is primarily encountered in linguistic descriptions, historical writing, or specialized technical texts. The term is generally considered archaic or specialized, rather than the name for a widely used consumer device.
Historically, laskuria described mechanical calculating machines and adding devices that used gears, levers, and rotating dials
In modern discourse, laskuria may appear in discussions of the history of computing or in descriptive accounts
Etymology: The word is built from lasku, meaning calculation or bill, combined with the suffixed -ria to
See also: Laskin, Laskuri, Calculator, History of computing, Mechanical calculator.