ussura
A very thin, barely visible layer. Describes a dusting of snow, a faint fog, or a trace of frost on the window.
💡First frost of autumn — 'There was ussura frost on the car windshield.'
朝、車のフロントガラスにうっすらと霜がおりていた。
In the morning, there was ussura frost on the windshield.
There was ___ snow on the mountaintops this morning.
今朝、山頂に○○と雪が積もっていた。