初冠雪

はつかんせつ【初冠雪】

the first snow (to settle) 《on a mountain》.

●昨日, 富士山で初冠雪を記録した. The first (settled) snow was noted [recorded] on Mt. Fuji yesterday. | There was snow (cover) on Mt. Fuji for the first time yesterday. | Yesterday Mt. Fuji had its first mantling of snow.