pääverbin
Pääverbin is a Finnish grammar term for the main verb of a predicate. It is the lexical verb that carries the core semantic content of the verb phrase, while auxiliary verbs and non-finite forms provide additional grammatical information such as tense, aspect, mood, or voice. In a clause, the main verb serves as the center of the predicate, and its form is influenced by subject and, in finite clauses, by person and number.
In Finnish, verb phrases often combine a main verb with auxiliary elements. The primary auxiliary is olla
The main verb also participates in simple, finite forms where it is inflected for tense, mood, person,
Overall, the concept of pääverbin emphasizes the lexical verb as the essential element of predication in Finnish,