seepage

[ see-pij ]

/ ˈsi pɪdʒ /

the act or process of seeping; leakage.

something that seeps or leaks out.

a quantity that has seeped out.

Origin of seepage

First recorded in 1815–25; seep + -age

The seepage of Republican debranding has been from the right edge of the party.

Those "Independents" Watching Fox Are True Believers |Noah Kristula-Green |April 16, 2012 |DAILY BEAST
Rivulets of seepage and surface water trickled in the most unexpected places as though from snow recently melted.

The Rules of the Game |Stewart Edward White
The water tanks were flavored with the seepage from neighboring compartments.

The Boy Allies with the Victorious Fleets |Robert L. Drake
After a struggle a sufficient amount was driven into interstices to keep out at least a portion of the seepage.

The Wonder Island Boys: The Mysteries of the Caverns |Roger Thompson Finlay

This red that is marked on 388 on the base of the skull, is that seepage or what?

Warren Commission (2 of 26): Hearings Vol. II (of 15) |The President's Commission on the Assassination of President Kennedy
Finally, no more water came this way except as seepage, which is the condition at present.

Archeological Investigations |Gerard Fowke

seepage

/ (ˈsiːpɪdʒ) /

the act or process of seeping

liquid or moisture that has seeped