伏ふく水すい

noun, noun or participle which takes 'suru'

underground water; water that has seeped underground

Refers to water that has gone underground and may later emerge as a spring. Often used in geographical or hydrological contexts. Can also be used as a suru verb meaning 'to seep underground'.

• この地ち域いきでは、雨あま水みずが伏ふく水すいして地ち下かを流ながれている。

  In this area, rainwater seeps underground and flows beneath the surface.

• 伏ふく水すいが湧わき出でる場ば所しょを探さがしている。

  We are looking for a place where underground water springs forth.