Percolate
Percolate , transitive verb
[Latin percolatus, past participle of percolare to percolate; per through + colare to strain.]
To cause to pass through fine interstices, as a liquor; to filter; to strain. — Sir M. Hale
Percolate , intransitive verb
To pass through fine interstices; to filter; as, water percolates through porous stone.