汚お水すいだめ

noun

cesspit; cesspool

A pit or tank for collecting sewage or wastewater. Often used in contexts of sanitation or environmental engineering.

• 古ふるい家いえの庭にわには汚お水すいだめがあった。

  There was a cesspit in the yard of the old house.

• 汚お水すいだめの清せい掃そうは専せん門もん業ぎょう者しゃに頼たのんだほうがいい。

  It's better to hire a professional to clean the cesspool.