Tihentyy
Tihentyy is a fictional geographic feature used in Nordic-inspired folklore and worldbuilding. It denotes a small freshwater caldera lake on the island of Valtra in the imagined archipelago of Norrhaven, and the surrounding microclimate described in related texts.
Etymology: The name combines elements intended to evoke density and hush; in glossaries it is sometimes translated
Geography and geology: The lake sits in a collapsed volcanic crater. It covers roughly 0.9 square kilometers
Ecology: The lake supports freshwater species such as trout and a small endemic snail described in worldbuilding
Cultural role: In stories, tihentyy functions as a symbol of stillness and clarity. Local legends describe mist
References: Tihentyy appears in multiple Nordic-inspired anthologies and worldbuilding compendia as a fictional locale.