dew under trees; dew dripping from trees
Poetic or literary term for dew that forms under trees or drips from leaves, often evoking a quiet, natural scene.
In the morning forest, my feet got wet from the dew under the trees.
Compound of 下 (した, 'under') and 露 (つゆ, 'dew'). The exact historical derivation is uncertain, but the meaning is transparent from its components.