koostuville
Koostuville is an obscure term that appears in a small number of Finnish-language linguistic discussions. It is used to refer to a hypothetical inflected form of the verb koostua, which means “to consist of.” In those discussions, the form is described as arising from attaching a directional suffix -lle to the verb stem, yielding a construction that some researchers interpret as marking the destination or target of a compositional relation. Because it is not part of standard Finnish grammar, it has no widespread acceptance or dictionary entry, and its interpretation can vary between sources.
Origins and linguistic context: The concept is discussed mainly in theoretical accounts of how Finnish can
Status and usage: In contemporary Finnish, forms like koostuville are not used in everyday speech, and most
See also: Koostua; Finnish grammar; Illative and allative case in Finnish; Morphology of Finnish verbs.