Vilkkaissa
Vilkkaissa is a Finnish inflected form of the adjective vilkas, meaning lively or busy. It is the inessive plural form, used when describing plural nouns in the inessive case, and is typically translated as “in lively places” or “in busy places.” In Finnish, adjectives agree with the nouns they modify in number and case, so when the noun is plural and in the inessive, the adjective also takes the -issa ending, yielding vilkkaissa.
This form appears most often in descriptive or narrative writing to refer to locations or situations rather
Usage notes: vilkkaissa always accompanies a plural noun in the inessive case; it is not typically used
In summary, vilkkaissa is a grammatical form rather than a standalone lexical item, serving to describe plural