土ど砂しゃ

noun

earth and sand; sediment

Refers to soil, sand, gravel, and similar earthy materials, often in the context of natural disasters, construction, or geology.

• 大おお雨あめで土ど砂しゃ崩くずれが起おきた。

  A landslide occurred due to heavy rain.

• 川かわの底そこに土ど砂しゃがたまっている。

  Sediment has accumulated at the bottom of the river.