Kaksinkertais
Kaksinkertais is a Finnish word that translates to "double" or "in duplicate" in English. It is often used as an adjective or adverb to describe something that exists or occurs twice. For example, a document could be described as "kaksinkertaisena" if it exists in two copies. Similarly, an event that happens twice might be referred to as "kaksinkertainen".
The term can also be used in more specific contexts. In mathematics, "kaksinkertainen juuri" refers to a