(はつしも)

はつしも
noun
first frost of the season
1. first frost of the season
The first frost that appears in autumn or early winter, marking the transition to cold weather. An important seasonal marker in Japan.
今朝(けさ)初霜(はつしも)()りた。
The first frost fell this morning.
初霜(はつしも)()らせが(とど)くと(ふゆ)(おとず)れを(かん)じる。
When news of the first frost arrives, you can feel winter approaching.
初霜(はつしも)()りる(まえ)(にわ)植物(しょくぶつ)室内(しつない)()れなければならない。
I need to bring the garden plants indoors before the first frost.

初霜(はつしも) refers to the first frost of the season, marking the onset of cold weather. Compound of (はつ) (first) + (しも) (frost).

SEASONAL SIGNIFICANCE:
A 季語(きご) (seasonal word) associated with late autumn in haiku poetry. Weather services report the date of 初霜(はつしも) each year as a seasonal milestone, and the timing varies by region.

GRAMMAR:
The verb used with frost is ()りる (to descend/fall): 初霜(はつしも)()りる (the first frost falls).

RELATED SEASONAL FIRSTS:

  • 初雪(はつゆき): first snow of the season
  • 初氷(はつごおり): first ice of the season
  • 初日(はつひ)(): first sunrise of the new year

PRACTICAL NOTE:
Gardeners pay close attention to 初霜(はつしも) because frost-sensitive plants must be protected or brought indoors before it arrives.