perustuvista

Perustuvista is a Finnish inflected form of the participle adjective perustuva, meaning “based on” or “founded on.” It is used to describe nouns that are grounded in certain premises, grounds, or reasons. The form reflects a relationship of foundation or basis, expressed through the verb perustua (to be based on).

In Finnish grammar, perustuva is a -va participle that can take various endings to agree with the noun in number and case. Perustuvista is the plural elative form (ending -ista), used when the noun it modifies is plural and in the elative case. For example, in phrases with elative plural nouns, such as perustuvista lähtökohdista or perustuvista periaatteista, the adjective agrees with the plural noun and conveys that the bases or origins are the ones being referred to.

Common usage tends to appear in formal or academic writing. Typical constructions include perustuvista lähtökohdista (from the foundational premises), perustuvista periaatteista (from the foundational principles), and perustuvista näkökulmista (from the foundational perspectives). These forms are often part of longer clauses that discuss theories, analyses, or arguments grounded in certain grounds.

Etymology and related forms: perustuvista derives from the verb perustua and the present participle stem perustuva. Related forms include perustuva (base-based) and other inflected variants used to modify different nouns across number and case. Perustuvista is a niche but standard grammatical form in formal Finnish.