Keskeisillä

Keskeisillä is the plural adessive form of the Finnish adjective keskeinen, meaning central or essential. It is used to describe plural nouns that are in the adessive case, and it conveys the sense “on the central ones” or “at the central places.” As a grammatical form, keskeisillä does not function as a standalone word; it appears in phrases where the modified noun is plural and in the adessive.

Usage and examples

Keskeisillä alueilla on vilkas liikenne. This sentence means “In central areas there is heavy traffic.” Keskeisillä toimijoilla on ratkaiseva rooli. Here, the plural adessive form describes “central actors” and indicates their involvement or role in a given context. Keskeisillä kohteilla voidaan tarkoittaa tärkeitä targetteja tutkimuksessa. (A general example showing how the form can appear with different plural nouns.)

Grammatical notes

Keskeisillä is one of several inflected forms of keskeinen. The base adjective keskeinen declines to match the noun and case. Relevant plural forms include:

- Nominative plural: keskeiset

- Inessive plural: keskeisissä (in the central ones)

- Adessive plural: keskeisillä (on the central ones)

- Allative plural: keskeisille (to the central ones)

- Genitive plural: keskeisten (of the central ones)

- Partitive plural: keskeisiä (central ones, as a partitive)

Etymology and meaning

Keskeinen stems from Finnish root keske-, meaning central or pivotal, with the standard -inen adjective suffix. The form keskeisillä inherits its meaning from keskeinen and simply reflects plural, adessive usage within a sentence.