yhteiseen

Yhteiseen is the illative singular form of the Finnish adjective yhteinen, meaning "common" or "shared." It is used to indicate movement toward or purpose for a shared use, goal, or domain, typically appearing with a noun in illative form. A common construction is yhteiseen käyttöön, meaning "for common use" or "for shared use." For example: Tämä kone on tarkoitettu yhteiseen käyttöön, meaning “This machine is intended for shared use.”

Etymology and related forms: Yhteinen derives from the root yhteis-, connected to yhteisö, meaning "community." The adjective thus conveys reciprocity or joint ownership. Finnish adjectives agree with the noun they modify in number and case, so ulike illative forms can be found across the nimber of cases. Related forms include yhteisen (genitive), yhteistä (partitive), yhteisessä (inessive), and so on. The illative form yhteiseen is specifically used when the noun it modifies is in the illative case, as in use-oriented phrases.

Usage notes: Yhteiseen tends to occur with nouns describing use, purpose, or benefit, such as käyttö (use), tarkoitus (purpose), or hyvän (good). Common expressions include yhteiseen käyttöön (for shared use) and yhteiseen tarkoitukseen (for a common purpose). The word is common in neutral or formal Finnish, including organizational, governmental, and collaborative contexts where resources, facilities, or responsibilities are described as intended for collective use.

See also: yhteinen, yhteisö. The term is best understood as a grammatical form of the adjective yhteinen rather than a standalone lexical entry.