yhteisissä

Yhteisissä is a Finnish grammatical form belonging to the adjective yhteinen, meaning “common” or “joint.” It is the inessive plural form of the adjective, used when describing a plural noun in the inessive case. In practice, kyseessä is used to convey “in common” or “in shared” contexts and typically appears before a plural noun.

The form is most often seen in phrases such as yhteisissä tiloissa (in shared spaces), yhteisissä asioissa (in common matters), or yhteisissä projekteissa (in joint projects). It cannot stand alone and must modify a plural noun in the inessive case. Related forms include yhteinen (singular inessive: yhteisessä), yhteisiä (partitive plural), and the noun yhteisö meaning “community.”

Etymology-wise, yhteisissä derives from the root yhteis-, linked to yhteisö (community) and the broader concept of things held in common. The adjective retains the sense of shared or collective nature in its various inflected forms.

Usage notes: In contemporary Finnish, yhteisissä is common in formal or written language, especially in contexts discussing collaboration, shared resources, or joint action. It commonly appears in administrative, legal, or organizational texts to describe things that participants handle or possess together.

In translation, yhteisissä conveys “in common,” “shared,” or “joint” when paired with a suitable plural noun, aligning with the broader use of yhteinen to describe mutual or collective attributes.