õõnsusesse
The Estonian word "õõnsusesse" is the illative case of the noun "õõnsus," meaning "hollow" or "cavity." Therefore, "õõnsusesse" translates to "into the hollow" or "into the cavity." This prepositional phrase indicates movement or direction towards an internal empty space. It can be used in a literal sense, describing something being placed or going inside a physical void. For example, one might put an object "õõnsusesse" of a tree or a wall.
Beyond physical applications, "õõnsusesse" can also be used metaphorically. It might refer to entering a state