kaksinkertaisen
Kaksinkertaisen is the genitive singular form of the Finnish adjective kaksinkertainen, meaning twofold or double. The term is used to describe something that has twice the amount, extent, or degree of another thing, or something composed of two parts.
The word kaksinkertainen is formed from kaksi, meaning two, and kerta/ kertainen, related to time or instances
In usage, kaksinkertaisen and related forms appear in formal writing as well as everyday speech when describing