surplus soil; excavated earth; construction spoil
Refers to soil or earth dug out during construction or civil engineering work that is not reused on-site and must be disposed of or managed.
The surplus soil from the construction was transported to another location.
The cost of disposing of the excavated earth was higher than expected.
construction waste soil; surplus excavation soil
Compound of 残 (remaining, leftover) and 土 (soil, earth). The reading ざんど is a standard on'yomi combination.