tühjenenuna
tühjenenuna is a Finnish word that describes the feeling of emptiness or hollowness that can occur after a period of intense activity, excitement, or emotional investment. It is often experienced when a significant event concludes, a long-term goal is achieved, or a period of high stress or anticipation has ended. The word itself is formed from the Finnish verb "tühjenen," meaning "to empty," and the suffix "-una," which denotes a state or condition.
This sensation is not necessarily negative, though it can be accompanied by feelings of sadness or anticlimax.
Examples of situations that might lead to tühjenenuna include finishing a major project at work, graduating