English
filterer
From filter + -er.
A compound of filter + -er
Proto-Indo-European *pel-
Proto-Germanic *fellą ‘skin, hide’
Proto-West Germanic *felt
Medieval Latin filtrum ‘felt’
Middle English filtre
English filter
Today it means
noun A person who, or device that, filters
Language periods are conventional ranges, not dates for this word.
Etymograph / filterer