Filtrate
/ˈfɪl.treɪt/noun
A liquid that has passed through a filter.
Did you know?Filtrate comes from the same Latin root as “filter,” which began as a word for felt cloth—so this is basically a modern term for liquid that has been “felted” through a barrier.
Etymological Timeline
Latin
Latin
filtrum
“felt”
Old French
Old French
filtre
“felt or cloth used for straining”
Middle English
English
filter
“a cloth or device for straining liquid”
19th Century
English
filtrate
“liquid that has passed through a filter”
Modern English
English
filtrate
“the portion of a liquid that passes through a filter”