Kuoriin
Kuoriin is a Finnish word formed as the illative case of the noun kuori, meaning shell, husk, or outer covering. In Finnish, the illative case marks movement toward or into something, so kuoriin translates roughly as into the shells or into the outer coverings. The form is most commonly encountered in contexts describing entering or being inside multiple shells or protective casings, as well as in metaphorical uses that evoke entering a protective layer or environment.
As a grammatical form, kuoriin illustrates Finnish noun inflection patterns where the illative expresses direction. The
Usage notes include that kuoriin tends to appear in descriptive or scientific writing about organisms that