盛もり土ど

noun

embankment; fill; raising the ground level

Refers to earth or soil used to raise the ground level, especially for roads, railways, or construction. Can mean both the raised earth structure and the act of filling.

• 線せん路ろの下したには盛もり土どがしっかりと固かためられている。

  The embankment under the railway tracks is firmly compacted.

• この道どう路ろは盛もり土どの上うえに造つくられた。

  This road was built on an embankment.