noun
ditch cleaning; drain cleaning; cleaning out mud from a ditch
Refers to the act of removing mud, debris, or sludge from a ditch, drain, or gutter. Often used literally, but can also appear figuratively in contexts like 'cleaning up' a messy situation.
雨の前にどぶさらいをしておかないと、水があふれるよ。
If we don't clean out the ditch before it rains, the water will overflow.
地域のボランティアでどぶさらいをした。
We did ditch cleaning as a community volunteer activity.
Rare kanji form using 浚い for さらい; the kanji 浚 is not commonly used.
Compound of どぶ (ditch, drain) and さらう (to clean out, dredge). The exact historical derivation is straightforward; the word is a nominalized form of the verb phrase.