terra-mara

uncountable

An earthy deposit containing fertilizing organic or mineral matter. / Any deposit containing prehistoric remains.

Japanese Meaning

有機物や鉱物の肥料分を含む土壌の堆積物 / 先史時代の遺物を含む堆積物

After the flood, the fields were covered with a thin layer of terra-mara that improved crop yields for years.

洪水の後、畑は作物の収量を何年にもわたって向上させる薄い肥沃な堆積物に覆われていた。

Sense（1）

An earthy deposit containing fertilizing organic or mineral matter.

Sense（2）

Any deposit containing prehistoric remains.