õõnsust
õõnsust is an Estonian word that translates to "hollow" or "cavity" in English. It refers to an empty space within something, a void, or a recess. This term can be applied in various contexts, both literal and figurative.
In a physical sense, õõnsust can describe the empty space inside a tree trunk, a hollowed-out piece
Figuratively, õõnsust can be used to describe a lack of substance, meaning, or depth. For example, a