percolate (v.)

"the act of straining or filtering through some porous material," 1610s, from Latin percolationem (nominative percolatio) "a straining through; the act of filtering," noun of action from past-participle stem of percolare "to strain through, filter," from per "through" (from PIE root *per- (1) "forward," hence "through") + colare "to strain," from colum "a strainer," which is of uncertain origin.

1795, "one who or that which filters," agent noun in Latin form from percolate. As a type of coffee-maker, by 1808. American English slang meaning "house party" is recorded from 1946.

1869, a shortened, colloquial form of perquisite (q.v.), also perq. As a verb, 1934 as a shortened and altered form of percolate, also perc.