kõvastub
Kõvastub is an Estonian word that translates to "hardens" in English. It is the third-person singular present indicative form of the verb "kõvastuma," which means "to harden" or "to become hard." This verb can be used in a variety of contexts, both literal and figurative.
Literally, kõvastub can describe the process of a substance becoming solid or firm. For example, melted wax
The word can also be used metaphorically to describe the development of a more rigid or unyielding