seepage

noun

Etymology: Etymology tree English seep Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus Latin -āticus Latin -āticum Old French -agebor. Middle English -age English -age English seepage From seep + -age.

1. The process by which something, especially a liquid, leaks through a porous substance; the process of seeping. (Also used figuratively: the process of diffusing.)

   “[…] while they all admit that the most serious losses occur by seepage of gas from, and oil into, the combustion-chamber and that this seepage is […]”

   “In the case of the Rio Blanco experiment, it is the seepage of gas which is considered to be the "worst possible situation" that might occur.”

2. Water that has seeped or oozed through a porous soil.