percolate

Short definition from Wiktionary

Verb

1. 1
   To pass a liquid through a porous substance; to filter.
2. 2
   To drain or seep through a porous substance.
3. 3
   To make (coffee) in a percolator.
4. 4
   To spread slowly or gradually; to slowly become noticed or realised.

Noun

1. 1
   A liquid that has been percolated.