also: こうはい
noun, noun or participle which takes 'suru', intransitive verb
volcanic ash fall; falling ash
Refers to ash falling from a volcanic eruption. Used as both a noun and a suru-verb.
桜島の降灰で洗濯物が干せない。
We can't hang laundry outside because of the ash fall from Sakurajima.
昨夜から降灰が続いている。
Ash has been falling since last night.