kielensisäiset
Kielensisäiset refers to a linguistic phenomenon within a single language where certain internal grammatical structures or usages are particularly distinctive or characteristic. This term is not a formal linguistic classification but rather a descriptive phrase used to highlight features that are specific to the internal workings of a language. It can encompass a range of elements, such as unique phonetic inventories, specific morphological rules, or idiosyncratic syntactic constructions that differentiate a language from others even within the same language family.
For instance, a language might possess a complex system of noun declensions or a highly regular verb