umbrosity
/ˌʌmbroʊˈsɪtɪ/Definitions
1. noun
The state or quality of being shady or having a pleasant, cool, and usually damp atmosphere
“The dense foliage created a sense of umbrosity that made the forest feel like a serene oasis.”
2. noun
A shady or secluded place, especially a woodland or forest
“The family spent the afternoon exploring the woods, reveling in the natural umbrosity of the forest.”