Noah Webster
Pervious
PER'VIOUS, adjective [Latin pervius; per and via, way, or from the root of that word.]
1. Admitting passage; that may be penetrated by another body or substance; permeable; penetrable. We say, glass is pervious to light; a porous stone is pervious to water; a wood is pervious or not pervious to a body of troops.
A country pervious to the arms and authority of the conqueror.
2. That may be penetrated by the mental sight.
By darkness they mean God, whose secrets are pervious to no eye.
3. Pervading; permeating; as pervious fire. [Not proper.]