päämäinen
Päämäinen is a Finnish adjective that translates to primary, principal, main, or chief in English. It is used to describe something that is of the greatest importance, size, or influence. For example, one might refer to the "päämäinen syy" (main reason) for an event, the "päämäinen tavoite" (primary goal) of a project, or the "päämäinen toimija" (principal actor) in a situation.
The word is derived from the Finnish word "pää," which means head. This etymology highlights the idea
Consider its usage in various contexts. In finance, it might describe the "päämäinen velka" (principal debt).